A U.N. climate panel warned Monday that greenhouse gas emissions must reach a peak by 2025 and head downward from there for the world to achieve a goal of limiting global temperature rise to 1.5 C above pre-industrial levels.The Intergovernmental Panel on Climate Change, which provides governments with scientific information so they can come up with effective climate solutions, pointed out in the latest report by its working group that the current pace of emissions reduction is not enough.The report updates the working group's contribution to a report released eight years ago.The working gr…READ FULL ARTICLE