All nations including the US and India will certainly ratify a key 2016 climate deal, hugely important for fighting climate change, UN Environment Chief Erik Solheim said.

PARIS: The decline in the atmosphere of an ozone-depleting chemical banned by the Montreal Protocol has recently slowed by half, suggesting a serious violation of the 196-nation treaty, researchers

The ozone layer - which protects us from harmful ultraviolet radiation - is recovering at the poles, but unexpected decreases in part of the atmosphere may be preventing recovery at lower latitudes

The Trump administrations decision earlier this year to pull out of the historic 2015 Paris Climate Agreement, saying the Obama-era deal was an attempt to diminish the US economy and take jobs away

The climate-warming chemicals are hydrochlorofluorocarbons and hydrofluorocarbons (HFCs) used widely used in refrigerators, air-conditioners and aerosol sprays.

The Donald Trump-led American withdrawal from the Paris climate change negotiations in the hope of a different rhetoric is a serious step undermining what was already a weak international cooperati

Mali has become the first country to ratify the Kigali Amendment to the Montreal Protocol, a commitment to reduce the use of hydrofluorocarbons (HFCs) and their impact on global warming.

India along with more than 170 countries signed the Paris Agreement at the UN General Assembly on April 22, 2016.