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Methane Emissions Soar, Agriculture Likely to Blame
By Alex Kirby
One year ago today, with huge relief, scarcely able to believe their achievement, world leaders finally agreed to reduce emissions of carbon dioxide.
But a bare 12 months later comes sobering news: Atmospheric concentrations of another gas, methane, are growing faster than at any time in the last 20 years, putting further pressure on the historic Paris agreement to deliver substantial cuts in emissions very soon.

Methane is the second major greenhouse gas, with agriculture accounting for 40 percent of emissions.Neil H / Flickr
Some scientists say the world now needs to change course and do more about methane to have a chance of keeping average global temperatures from rising by more than 2 C.
And one seasoned Arctic watcher said the changes there in the last decade are altering a system which has remained intact since the Ice Age.