In the wake of the COP 21 UN Climate Summit in Paris (see this recent Huffington Post piece for my take on the agreement), a number of important questions still remain unanswered.
With world leaders gathered in Paris to address climate change, most of the planet seems to have awakened to the reality that the Earth is warming and that we’re responsible.
The world can still avoid dangerous global warming if it acts fast.
It's probably the most important number you've never heard of: 2 degrees Celsius. That's when climate change starts to get especially dangerous. Nearly every country in the world has...
I did my best to get away from work last week while my family and I were on vacation visiting friends who live in Kalispell, the gateway to Montana’s Glacier National Park. But it wasn’t...
The rate of global temperature rise mayhave hit a plateau, but a climate crisis still looms in the near future
The fact that global surface temperatures have not increased as much over the past decade as many climate models predict they should have, doesn’t necessarily contradict the model predictions...
A State Department report fails to take into account the full climate impacts of Keystone XL. Who is Obama protecting?
The overwhelming consensus among climate scientists is that human-caused climate change is happening. Yet a fringe minority of our populace clings to an irrational rejection of well-established...
Super Typhoon Haiyanhas only just passed, and the devastation cannot yet even be fully understood. (With that in mind, please consider a donation to an assisting charity, such as the Philippine Red...
Dr. Mann the commentary on the new IPCC report on The Guardian.
It happens every six years or so: The Intergovernmental Panel on Climate Change (IPCC) publishes its assessment of the current state of scientific understanding regarding human-caused climate change...
Attorney General Ken Cuccinelli certainly has some odd characters coming to his defense in this paper for his attempts to go after climate scientists like myself.
Dr. Mann's commentary for Popular Science
Imagine you are sitting in your office simply doing your job and a nasty e-mail pops into your inbox accusing you of being a fraud. You go online and find that some bloggers have written virulent...
To our dismay, and the nation’s detriment, self-described climate change deniers – strongly supported by fossil-fuel interests — continue to mislead Congress and the public. In...
As a scientist, I shouldn't have a stake in the upcoming midterm elections, but unfortunately, it seems that I -- and indeed all my fellow climate scientists -- do.
Patrick J. Michaels spreads falsehoods and innuendo against mainstream climate scientists and he questions the integrity of various institutions including my own, Penn State University, simply...
I cannot condone some things that colleagues of mine wrote or requested in the e-mails recently stolen from a climate research unit at a British university. But the messages do not undermine the...
Check out this must-read The New York Times column from Nicholas Kristof.
