Climate change is making weather more extreme. This tool shows how many people across the United States face risks right now from wildfires, flooding, tropical storms, or extreme heat.

Is it still possible to limit future global warming to 1.5°C above pre-industrial levels? Or has that ship sailed?

This summer, dangerous heat seems like it’s not letting up.

If nuclear power needs to be part of the climate solution, why not continue to use what we have? I understand the reactors that we have are aging out. But why not either shore those up or use the same design that we currently have where we wouldn’t have to go through the lengthy and costly development phase?

As the weather grows warmer, bears, birds, and corporate America begin to emerge from their respective hibernations. Bears will awaken hungry with thoughts of berries; birds will fly north, reversing their southern migration; corporate America will prepare their proxies and ballots. Soon it will be annual general meeting (AGM) season.

This week is the 75th anniversary of the U.S. bombing of Hiroshima and Nagasaki, the only time nuclear bombs have been used in a conflict—and one could only hope the last time. To commemorate the anniversary, I thought it would be appropriate to devote this column to taking a hard look at current U.S. nuclear weapons policy, and to do that, I had a chat with our new Global Security Program Washington representative, Kevin Davis.

Dr. Jo Anne Welsch, currently working on vaccine development for low and middle income countries at a global health organization, discusses how vaccines are developed and tested, and the implications of the process for the coronavirus.

We are currently in a state of national emergency thanks in no small part to the Trump administration’s muzzling of public health experts and slow response to the COVID-19 pandemic.

The White House held dozens of meetings about coronavirus response that excluded government experts because the discussions were unnecessarily classified over the objections of HHS Secretary Alex Azar, reports Reuters. Experts were not just barred from speaking openly about what we knew about the emerging pandemic. Apparently, they weren’t even allowed in the room.

“Dr. Doom.” fellow students joked as we walked out of our department seminar. It was 1998 and the presenter was Richard Gammon, a co-author of the first IPCC report. I didn’t share my fellow University of Washington grad students’ joke. I was uneasy, wondering about the timing of forecasts and feedback loops.

Extreme heat is poised to rise steeply in frequency and severity over the coming decades, bringing unprecedented health risks for people and communities across the country.

Statement by Ken Kimmell, President, Union of Concerned Scientists

April 2019 marked the wettest 12-month period in the United States since record-keeping began 124 years ago, breaking the previous record set from May 2015–April 2016. In most places in the contiguous U.S., by April 2019 it had already rained more than the annual average during the 20th century. This week, heavy rain is dumping up to 1 foot of rain in northern and central parts of the U.S.. It’s evident that extreme precipitation events are getting more extreme, and also that climate change is one of the culprits.

If you look at headlines from the last year, ExxonMobil, Chevron and other major fossil fuel companies have seemingly turned a new page on climate change.

Voting rights violations are emerging across several states with less than a month before the conclusion of midterm elections in the United States.

The Special Report on Global Warming of 1.5°C released today by the Intergovernmental Panel on Climate Change (IPCC), provides a stark profile of the disruptive climate futures we face with rising temperatures and the ‘rapid and far-reaching’ transitions across major sectors of the global economy that are now needed if warming is to be limited to 1.5 degrees Celsius above pre-industrial levels.

The Intergovernmental Panel on Climate Change (IPCC) is soon going to release an important report to help inform global efforts to limit climate change. The special report details the impacts of a global average temperature increase of 1.5°C relative to 2°C above pre-industrial levels, and pathways to limit temperature increase to that level.

A draft of the 2018 Nuclear Posture Review leaked to the Huffington Post indicates that the White House is planning changes to the U.S. nuclear arsenal and its nuclear-use policy that would increase the risk that nuclear weapons will be used.

There is now a political appointee of the Trump administration at the Environmental Protection Agency (EPA), John Konkus, reviewing grant solicitations and proposals in the public affairs office.

International security experts often refer to the twin goals of military policy: to minimize the risk of war and to minimize the damage should war start.