UNITED NATIONS, Sept 22: Almost 90 big companies in sectors from food to cement to telecommunications are pledging to slash their greenhouse gas emissions in a new campaign to steer multi-nationals towards a low-carbon future, organizers said on Sunday.

GENEVA, June 28: This year is on track to be among the hottest ever and that would make 2015-2019 the world’s hottest five-year period on record, the World Meteorological Organization said on Friday.

PARIS, Nov 28: Global greenhouse gas emissions in 2030 could be between 13 billion and 15 billion tonnes more than the level needed to keep global warming within 2 degrees Celsius this century, a United Nations report estimated on Tuesday.