Cop 21

Global warming could cause fall in oxygen, mass mortality

Earth's oxygen could dramatically fall due to change in ocean temperature of just several degrees.

COP21 gamechanger: Here's why India will play a major role at the Paris climate change summit

Prime Minister Narendra Modi on Sunday tackled the topic of climate change in his monthly 'Mann Ki Baat' address, bringing the important topic into focus before setting off for the UN Climate Summit in Paris.

Global warming: Here's what happens if we do nothing

If mankind fails to curtail global warming, we will have to deal with fallout ranging from massive refugee crises and submerged cities to scorching heatwaves and drought, scientists say.