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.
Indian scientists criticise World Bank report on climate change in Himalayas
Report lacks region specific-information; methodology used is questionable, say experts in India
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
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 …
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
‘Natural gas not climate-friendly’
Study counters earlier claims; natural gas is a bridge to nowhere, says Robert W Howarth, ecologist and methane expert
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 …
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
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
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
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
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 …
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 …
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 …
Nitrous oxide human emissions increased 30% in 36 yrs: Report
43% of total emissions of nitrous oxide, a greenhouse gas 300 times more potent than carbon dioxide, came from human sources, the report said
Greenhouse gas levels hit new high in 2020: WMO
The average global warming would exceed Paris Agreement’s target of global temperature rise of 2°C above pre-industrial levels&…
Arctic forest fires caused by global warming can jeopardise climate goals: Study
Around 146 million tonnes of carbon was released in the 2019 and 2020 fires in the Arctic
The numbers behind: Climate change
The planet can barely afford any more carbon emissions. But we need to continue to emit for our survival and development. What is the carbon …
A quick guide to climate change jargon: What experts mean by mitigation, carbon neutral and 6 other key terms
Here’s a guide that may help you to follow the news about climate change ahead of CoP26 starting October 31
Commitment phobia: World still not ready to do enough to cut GHG emissions
New national climate pledges combined with other mitigation measures put the world on track for a global temperature rise of 2.7°C by the end …