Sun plays marginal role in global warming

Variations in solar radiations contribute little to global warming and researchers say efforts to check the phenomenon must focus on greenhouse gases.

Atmospheric chemistry shifts blame around

Research in atmospheric sciences is booming because of the impending threat to4he world's climate. Every month there is a new study showing new …

Indian scientists criticise World Bank report on climate change in Himalayas

Report lacks region specific-information; methodology used is questionable, say experts in India

Sugarcane byproduct pressmud can be a sweet spot for India’s compressed biogas sector

The byproduct can help generate 460,000 tonnes of compressed biogas CBG valued at Rs 2,484 crore

FAO report outlines sustainable ways to deal with livestock methane emissions 

Improving feed efficiency increases animal productivity per unit of feed, may increase farm profitability

Methane emissions from oil, gas rigs may be 50% more than estimated

This finding by researchers led by scientists from Princeton University challenges the accuracy of methane emission estimation processes

Burning ice

Ice crystals, known as methane hydrates, found inside the seafloor, have tremendous energy potential. But humans are yet to tap them

Mystery of underwater hill formation solved

We need to worry about methane from landfills; look at Mumbai numbers

Waste sector emissions can be targeted for mitigation, suggests new study      

Shale trail

The US is seeing a shale gas revolution. Domestic gas prices are historically low and the US is on the verge of exporting it. Chandra Bhushan …

Burp control: How can methane released in livestock belches be reduced? Scientists are trying various options

Scientists are experimenting with seaweed as well as concoctions having several other ingredients to make the specialised digestive system of …

Share of non-CO2 pollutants contributing to global warming almost as much as carbon dioxide: Study

World needs to target non-CO2 pollutants and CO2 pollutants to achieve climate targets, it added  

No, woolly mammoths are not returning; But we may get Arctic elephants

Geneticist George Church and his business partner Ben Lamm, who recently launched a company to ‘bring back’ mammoths, respond to …

Highest carbon concentration in atmosphere in 3 million years: WMO

The new WMO Greenhouse Gas Bulletin says CO2 concentration in atmosphere has breached all recent records

Global food production threatens to overwhelm efforts to combat climate change

Apart from CO₂, two other potent greenhouse gases that contribute to global warming are methane and nitrous oxide

‘Natural gas not climate-friendly’

Study counters earlier claims; natural gas is a bridge to nowhere, says Robert W Howarth, ecologist and methane expert

What is the environmental cost of factory-farmed meat?

Across the four hot spots, the annual consumption of chicken creates the same climate change impact as keeping 29 million cars on the road for a year

Caught between COVID-19 and climate crisis: How Arctic saw massive disruptions in 2021

The Arctic Circle has continued to warm at more than twice the rate as the rest of the world through 2021  

There is no safe level of global warming: IPCC report

Unless net carbon dioxide emissions are brought down to zero by 2050, warming above 1.5°C is practically inevitable

Cool bug

Dung beetles keep methane from cattle in check

CoP26: 104 countries promise to cut methane emissions; What is the global pledge about?

A 0.3% reduction per year in methane is equivalent to net-zero for carbon dioxide — there would be no additional warming if this level of …

Promote insect-eating to benefit indigenous peoples

Ethnic communities are traditional custodians of entomophagy. They must not be sidelined as policymakers and industry ready plans to promote …

New Zealand’s new climate change law: Inadequate and not really net zero

Jacinda Arden's law explicitly excludes biogenic methane emissions from net zero target, subjecting the gas to mere 24-47% cuts below 2017 …

New study maps how much energy, nutrients and water are locked in world’s wastewater

Efficiently treating wastewater can help meet SDGs: UN-backed research

Methane from Indian cattle overestimated