Earth Day and the Hockey Stick: A Singular Message
On the 20th anniversary of the graph that galvanized climate action, it is time to speak out boldly
Stories by Michael E. Mann
What We Know about the Climate Change–Hurricane Connection
Some links are indisputable; others are more subtle, but the science is improving all the time
Cutting Greenhouse Gases Would Help Trump Achieve His Economic Goals
The new administration could cut greenhouse gases and achieve its economic goals all at once
Climate Trumps Everything, No Matter Who Is President
Donald Trump should pursue climate action to achieve his own economic, jobs and competitiveness goals
Meeting a Global Carbon Limit Is Cheaper Than Avoiding One
The world can still avoid dangerous global warming if it acts fast
Why Global Warming Will Cross a Dangerous Threshold in 2036
Emitting carbon dioxide at current rates will soon push Earth’s temperature up by 2 degrees Celsius. Here’s how to make the calculation yourself
Earth Will Cross the Climate Danger Threshold by 2036
The rate of global temperature rise mayhave hit a plateau, but a climate crisis still looms in the near future
Stick to the Science
Editor's note: The following is a response by climatologist Michael E. Mann to a Q&A article that appeared in the June 2011 issue of Scientific American , which became available to readers in May.