Food security of India and several other major key food producing countries are threatened by changing weather patterns due to warming of the oceans, which may well be the ‘greatest’ hidden challenge for the present generation, according to a study.

India lost 1.4 million lives to air pollution in 2013, while in China the toll was 1.6 million, estimates a report released recently. The report, released by the World Bank and the Institute for Health Metrics and Evaluation, shows that in 2013 more than five million deaths worldwide were attributed to health conditions caused by air pollution.

The Maharashtra state government-owned all new buildings will come up on green building concept from now onwards.

Sikkim has been adjudged the cleanest among 26 states for sanitation in rural areas.

A team of researchers at Jadavpur University has developed a biodegradable energy harvester from raw fish scales that could in future replace pacemaker devices for the heart.

The Telangana State Biodiversity Board and the Zoology Department of Osmania University have embarked on a five-month programme to collect information on the plants and animals that are on the verge of extinction or which are critically endangered.

Spanish energy company Endesa has announced that it was revoking all claims to Futaleufú, Puelo, Chillan, Bardón, and Huechún rivers in Chile and cancelling its hydroelectric projects on the five rivers totaling 2,151 MW.

China's first draft environmental protection tax law, which is expected to cut pollutants emissions, has been submitted to the country's top legislative body.

Polar bears are losing life-sustaining sea ice crucial for hunting, resting, and breeding in all 19 regions of the Arctic they inhabit. As climate change pushes up Arctic temperatures, ice is melting earlier in spring and re-freezing later in autumn, a team of researchers reported in The Cryosphere, a journal of the European Geosciences Union.

A possible causal link between air pollution and Alzheimer's disease has been suggested by scientists after they conducted detailed studies of brain tissue, in a joint British-Mexican project.

With new technology and a crackdown on logging, Romania is racing to save some of Europe's last virgin forests, home to wolves and brown bears.

Google has committed to a new initiative called ‘Zero Waste to Landfills’ so that all of the waste from those data centres will be reused or diverted to a more sustainable route. Six of Google's data centres have achieved a 100 per cent diversion rate, and globally about 86 per cent of the waste is being treated sustainably.