Malavika Vyawahare

Malavika Vyawahare tells science and environment stories using words, photos and multimedia. She studied environmental journalism at Columbia University and is based in Delhi.

Articles by Malavika Vyawahare

Electric vehicles in India: It is time to step on the gas

The government has an important role in creating a market for electric vehicles and shaping an industrial policy that encourages automakers to align their production with the targets set by the government
Union minister Nitin Gadkari sits on the driving seat of an electric vehicle. The transition towards electric mobility requires not just private sector participation but also massive public buy-in(PTI)
Union minister Nitin Gadkari sits on the driving seat of an electric vehicle. The transition towards electric mobility requires not just private sector participation but also massive public buy-in(PTI)
Updated on Sep 14, 2018 01:27 PM IST
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India needs transparent industrial pollution data, regulation reforms

Though pollution regulators track emissions from industries, a lack of confidence in the data, and incomplete information, prevents it from being put to its best use: ensuring industries comply with standards and lowering pollution levels.
moke is emitted from a chimney in Mumbai.(HT PHOTO)
moke is emitted from a chimney in Mumbai.(HT PHOTO)
Updated on Aug 21, 2018 02:21 PM IST
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Hindustan Times | By

State apathy continues to choke Singrauli

Declared as ‘critically polluted’ by the Centre in 2009, a little has been done to address the endemic pollution affecting lives for over nine years.
A group of villagers dig out coal from the hillside of Mahan forest in Singrauli district of Madhya Pradesh.(Mujeeb Faruqui/HT File Photo)
A group of villagers dig out coal from the hillside of Mahan forest in Singrauli district of Madhya Pradesh.(Mujeeb Faruqui/HT File Photo)
Updated on Aug 20, 2018 03:53 PM IST
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Hindustan Times, Singrauli/Sonbhadra | By, Singrauli/ Sonbhadra

Nasa’s Parker Solar Probe takes off for tryst with the sun

The probe launched aboard the Delta IV-Heavy rocket will, over the next seven years, come within 6.16 million kms (3.83 mn miles) of the sun, the closest a spacecraft has ever gotten to the star
This handout photo released by NASA shows the United Launch Alliance Delta IV Heavy rocket with the Parker Solar Probe onboard during its launch on August 12, 2018, Launch Complex 37 at Cape Canaveral Air Force Station in Florida.(AFP)
This handout photo released by NASA shows the United Launch Alliance Delta IV Heavy rocket with the Parker Solar Probe onboard during its launch on August 12, 2018, Launch Complex 37 at Cape Canaveral Air Force Station in Florida.(AFP)
Updated on Aug 12, 2018 08:46 PM IST
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Hindustan Times, New Delhi | By

US jury orders Monsanto to pay $289 million to cancer patient over weedkiller

The ruling is likely to have far reaching ramifications in other parts of the world including India, where glyphosate-based weedkillers are widely used.
Plaintiff Dewayne Johnson reacts after hearing the verdict in his case against Monsanto at the Superior Court of California in San Francisco on Friday.(AP Photo)
Plaintiff Dewayne Johnson reacts after hearing the verdict in his case against Monsanto at the Superior Court of California in San Francisco on Friday.(AP Photo)
Updated on Aug 12, 2018 07:12 AM IST
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NASA Solar Probe: Possibilities for discoveries are off the charts, says Kolkata scientist at US space agency

NASA’S Madhulika Guhathakurta speaks to HT about how the mission that will “touch” the sun could revolutionise our understanding of our favourite star.
This NASA photo obtained August shows the Parker Solar Probe one half of its 62.7-foot tall fairing.(AFP Photo)
This NASA photo obtained August shows the Parker Solar Probe one half of its 62.7-foot tall fairing.(AFP Photo)
Updated on Aug 10, 2018 01:52 PM IST
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Hindustan Times | By

Set for red-hot voyage to Sun: All you need to know about NASA’s Parker Solar Probe

NASA’s Parker Solar Probe will be the first spacecraft to “touch” the sun
Engineers perform light bar testing on NASA's Parker Solar Probe at the Astrotech processing facility. (AFP File Photo)
Engineers perform light bar testing on NASA's Parker Solar Probe at the Astrotech processing facility. (AFP File Photo)
Updated on Aug 10, 2018 01:52 PM IST
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Nasa to launch $1.5 billion spacecraft to ‘touch’ the sun

The unmanned probe, over five decades in the making, will last nearly seven years and pass through the Sun’s corona 24 times.
Technicians and engineers perform light bar testing on NASA's Parker Solar Probe at the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on June 5.(AFP Photo)
Technicians and engineers perform light bar testing on NASA's Parker Solar Probe at the Astrotech processing facility in Titusville, Florida, near NASA's Kennedy Space Center, on June 5.(AFP Photo)
Updated on Aug 10, 2018 01:53 PM IST
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Hindustan Times | By

El Nino looms over normal monsoon

Rains in August and September will have to be better than expected for the monsoon this year to be considered normal
Pedestrians walk across a road during monsoon rainfall, in Kolkata on Friday, Aug 3, 2018. ((PTI)
Pedestrians walk across a road during monsoon rainfall, in Kolkata on Friday, Aug 3, 2018. ((PTI)
Updated on Aug 04, 2018 07:02 AM IST
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Hindustan Times, New Delhi | By

Skymet says monsoon will be below normal

Deficient rain in India, the world’s second-biggest producer of rice, wheat and sugar and top grower of cotton, can lead to lower crop output and spur imports of commodities like edible oils, pulses and sugar.
The monsoon is critical to the farm sector as it accounts for more than 70% of India’s annual showers, with about 700 million of the 1.3 billion population depending directly or indirectly on farming.(PTI file photo)
The monsoon is critical to the farm sector as it accounts for more than 70% of India’s annual showers, with about 700 million of the 1.3 billion population depending directly or indirectly on farming.(PTI file photo)
Updated on Aug 02, 2018 08:51 AM IST
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New Delhi, Hindustan Times | By

Scientists discover new shape called scutoid after studying human cells

The shape scutoid has five sides on one end and six on the other and a triangular surface on one of its longer edges.
The name scutoid is a reference to its similarity to the scutellum, the lowest most segment of an insect’s thorax, the midsection.(www.nature.com)
The name scutoid is a reference to its similarity to the scutellum, the lowest most segment of an insect’s thorax, the midsection.(www.nature.com)
Updated on Jul 31, 2018 07:04 AM IST
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Hindustan Times, New Delhi | By

Studying earthquakes in Himalayas, effects in Gangetic plains should be priority: Top woman seismologist

Kusala Rajendran, professor at the Indian Institute of Science’s Centre for Earth Sciences, Bangalore, became the first recipient of the National Award for Woman Scientist, instituted by the earth sciences ministry on Friday.
Kusala Rajendran (pictured) says she feels while promoting and recognising top educational organisations, the government should also give more opportunities and resources to ‘less privileged’ organisations.(Thulasiraman Natarajan)
Kusala Rajendran (pictured) says she feels while promoting and recognising top educational organisations, the government should also give more opportunities and resources to ‘less privileged’ organisations.(Thulasiraman Natarajan)
Updated on Jul 27, 2018 09:17 PM IST
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HT Correspondent, New Delhi | By

Lunar eclipse: Astronomers dispel superstition about eating during the eclipse

Astronomical Society of India has invited those defying the belief during the 6 hour, 17 minute, 18 second long eclipse starting at 10:44 pm on July 27 -- the longest lunar eclipse this century -- to post photographs on social media with the hashtag: #EclipseEating.
A full moon is seen during a lunar eclipse in Beijing, China January 31, 2018.(Reuters File)
A full moon is seen during a lunar eclipse in Beijing, China January 31, 2018.(Reuters File)
Updated on Jul 26, 2018 09:30 AM IST
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Hindustan Times, New Delhi | By

‘Meghalayan Age’ makes the state a part of geologic history

Earth’s recorded history is divided into eon, era, period, epoch and age, with the age being the smallest unit of geologic time.
The middle phase of the Holocene will be referred to as the Northgrippian, and runs from 8,300 years ago up to the start of the Meghalayan.(Photo: International Commission on Stratigraphy)
The middle phase of the Holocene will be referred to as the Northgrippian, and runs from 8,300 years ago up to the start of the Meghalayan.(Photo: International Commission on Stratigraphy)
Updated on Jul 18, 2018 09:00 PM IST
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Hindustan Times, New Delhi | By

Delhi pollution: Fine dust killed 15,000 prematurely in 2016, says study

Apart from the deaths in Delhi, the study also showed that Mumbai, which was one of five megacities considered from India, reported the fourth highest number of deaths among 12 megacities.
The Bhalswa Landfill in New Delhi. Burning of garbage adds to Delhi air pollution.(Sanchit Khanna/HT File Photo)
The Bhalswa Landfill in New Delhi. Burning of garbage adds to Delhi air pollution.(Sanchit Khanna/HT File Photo)
Updated on Jul 13, 2018 07:52 AM IST
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Hindustan Times, New Delhi | By

West coast, parts of central India put on red alert for heavy rain: IMD

Goa, Gujarat and West Madhya Pradesh are on high alert, IMD said.
People wade through waterlogged road near Parel bridge in Mumbai, on Tuesday, July 10, 2018.(HT Photo/ Hemanshi Kamani)
People wade through waterlogged road near Parel bridge in Mumbai, on Tuesday, July 10, 2018.(HT Photo/ Hemanshi Kamani)
Updated on Jul 11, 2018 07:04 AM IST
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Hindustan Times, New Delhi | By

India’s perfume tree agarwood a step away from extinction

The Aquilaria malaccensis tree, which produces one of the world’s most valued woods, moved from ‘vulnerable’ to ‘critically endangered’ as logging and deforestation caused population to decline by more than 80% over the past 150 years, the IUCN said.
The agarwood tree (Aquilaria malaccensis), whose resin extract is widely used in perfumes and incense, is one step away from being declared extinct in the wild by the International Union for Conservation of Nature (IUCN).(Getty Images)
The agarwood tree (Aquilaria malaccensis), whose resin extract is widely used in perfumes and incense, is one step away from being declared extinct in the wild by the International Union for Conservation of Nature (IUCN).(Getty Images)
Updated on Jul 08, 2018 08:38 AM IST
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Hindustan Times, New Delhi | By

Wildlife board recommends using Section 144 during animal emergencies

The Union ministry is expected to issue advisories to the state governments. The District Magistrate (DM) is empowered to enforce section 144, that prohibits the gathering of more than four people.
People attack a leopard that had entered a residential area in Mandawar village near Gurgaon in 2016.(HT File Photo)
People attack a leopard that had entered a residential area in Mandawar village near Gurgaon in 2016.(HT File Photo)
Updated on Jul 08, 2018 08:28 AM IST
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Hindustan Times, New Delhi | By

As Earth warms up, expect intense, extreme rain leading to more flash floods

Short bursts of extreme precipitation do not reduce water stress or help recharge the water table. Instead, they often lead to flash floods.
The monsoon season is a dangerous and unsettling time in India, with most deaths reported from heavy rains and flooding in the four months from June to September.(PTI File Photo)
The monsoon season is a dangerous and unsettling time in India, with most deaths reported from heavy rains and flooding in the four months from June to September.(PTI File Photo)
Updated on Jul 06, 2018 08:16 AM IST
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Hindustan Times, New Delhi | By

India may formulate standards for pharma industry’s antibiotic residue

The Central Pollution Control Board was tasked with framing the standards that remain to be approved by the environment ministry.
One of the factors contributing to the emerging of antimicrobial resistance hotspots is the indiscriminate use of antibiotics because of over-prescription or self-prescription because of unchecked over the counter availability of these drugs.(Reuters File Photo)
One of the factors contributing to the emerging of antimicrobial resistance hotspots is the indiscriminate use of antibiotics because of over-prescription or self-prescription because of unchecked over the counter availability of these drugs.(Reuters File Photo)
Updated on Jul 05, 2018 11:16 PM IST
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Hindustan Times, New Delhi | By

A disaster in the making: How rising temperatures will affect India

The past decade has been the warmest since 1901 in India. Effects of rising temperatures will manifest in frequent and intense heat waves that will impact lives and livelihoods.
India is going to face a range of economic and social problems because of rise in global temperatures.(Bharat Bhushan/ HT Photo)
India is going to face a range of economic and social problems because of rise in global temperatures.(Bharat Bhushan/ HT Photo)
Updated on Jul 05, 2018 12:17 PM IST
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Hindustan Times, New Delhi | By

ISRO conducts first escape test for India’s manned mision to space

The crew escape system is an emergency escape measure designed to quickly pull the crew module along with the astronauts to a safe distance from the launch vehicle in the event of a launch abort.
ISRO said the five-hour countdown was smooth. The crew escape system along with the simulated crew module with a mass of 12.6 tonne, lifted off at 7 am at the Satish Dhawan Space Centre in Sriharikota in Andhra Pradesh.(PTI/Picture for representation)
ISRO said the five-hour countdown was smooth. The crew escape system along with the simulated crew module with a mass of 12.6 tonne, lifted off at 7 am at the Satish Dhawan Space Centre in Sriharikota in Andhra Pradesh.(PTI/Picture for representation)
Updated on Jul 05, 2018 10:46 PM IST
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Hindustan Times, New Delhi | By

Cabinet clears DNA Technology (Use and Application) Regulation Bill 2018

The DNA Technology (Use and Application) Regulation Bill 2018, will help in solving crimes and in tracing missing people, say supporters.
DNA Technology (Use and Application) Regulation Bill 2018, will help in solving crimes and in tracing missing people(Representative Image/Getty Images/iStockphoto)
DNA Technology (Use and Application) Regulation Bill 2018, will help in solving crimes and in tracing missing people(Representative Image/Getty Images/iStockphoto)
Published on Jul 05, 2018 12:03 AM IST
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Hindustan Times, New Delhi | By

Lightning strikes kill more than floods, cyclones; cities under increasing threat

The average number of people who died of lightning strikes every year between 2006-2015 was about 50% higher than the decade before. Climate change is leading to extreme weather and lightning is getting more frequent and intense.
Higher particulate matter pollution and loss of vegetation is making urban areas more susceptible to lightning strikes.(Ajay Aggarwal/HT file photo)
Higher particulate matter pollution and loss of vegetation is making urban areas more susceptible to lightning strikes.(Ajay Aggarwal/HT file photo)
Updated on Jul 04, 2018 08:18 AM IST
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New Delhi, Hindustan Times | By

Monsoon deficit may get worse, cautions Met dept

The poor showing in June, sparked fears that if July rains don’t make up for the deficit India could be grappling with a below normal monsoon this year.
Commuters make their way across a street during heavy rain, in Ahmedabad on July 2.(PTI Photo)
Commuters make their way across a street during heavy rain, in Ahmedabad on July 2.(PTI Photo)
Updated on Jul 02, 2018 10:47 PM IST
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Hindustan Times, New Delhi | By

Despite flak, Centre firm on forest policy

As per official data, the environment ministry rejected only 7% of the proposals for forest land diversion it received in 2016.
The draft calls for public-private partnerships to undertake afforestation in degraded forest areas, and even in open forests, where the tree canopy density is between 10% and 40%.(HT File Photo)
The draft calls for public-private partnerships to undertake afforestation in degraded forest areas, and even in open forests, where the tree canopy density is between 10% and 40%.(HT File Photo)
Published on Jun 28, 2018 10:45 PM IST
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Hindustan Times, New Delhi | By

Water scarcity, climate change will lower living standards in India: World Bank report

Overall 600 million Indians will be moderately or severely affected by changes in temperature and rainfall, the report said.
The World Bank findings are the latest in a series of warnings that a warming planet posed a serious risk to India, which could hamper the country’s growth story.(Manoj Dhaka/HT File Photo)
The World Bank findings are the latest in a series of warnings that a warming planet posed a serious risk to India, which could hamper the country’s growth story.(Manoj Dhaka/HT File Photo)
Updated on Jun 28, 2018 07:28 AM IST
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Hindustan Times, New Delhi | By

Environment ministry setting up expert group to look at air pollution warning system

The ministry is gearing up for a spike in air pollution levels during winters that impacts Delhi-NCR and the northern plains.
The environment ministry is gearing up for a spike in air pollution levels during winters that impacts Delhi-NCR and northern plains.(AP File Photo)
The environment ministry is gearing up for a spike in air pollution levels during winters that impacts Delhi-NCR and northern plains.(AP File Photo)
Updated on Jun 25, 2018 11:33 PM IST
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Hindustan Times, New Delhi | By, New Delhi

Government backs campaign against animal sacrifice ahead of Bakrid

There is no blanket ban on animal sacrifice in India. Under provisions of the Prevention of Cruelty to Animals Rules and food safety standards, animals must be slaughtered at registered abattoirs and follow certain guidelines, but in the case of most ritualistic animal sacrifices, these are not followed.
Bakrid is one of the biggest Muslim festivals, celebrated traditionally with an animal sacrifice.(Virendra Singh Gosain/HT File Photo)
Bakrid is one of the biggest Muslim festivals, celebrated traditionally with an animal sacrifice.(Virendra Singh Gosain/HT File Photo)
Updated on Jun 24, 2018 10:41 AM IST
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Hindustan Times, New Delhi | By

Delhi to receive monsoon rains around June 29, but suffer intense heat till then

Heat wave conditions are expected to continue for a few more days until pre-monsoon showers hit the city on Wednesday.
Delhi has been under severe heat condition for the past month with little relief.(PTI File Photo)
Delhi has been under severe heat condition for the past month with little relief.(PTI File Photo)
Updated on Jun 24, 2018 09:38 AM IST
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Hindustan Times, New Delhi | ByMalavika Vyawahare and Zia Haq
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