We know the next four years will be a dangerous time for our country and for everyone who cares about a safe, sustainable, and just future.

Coal, gas, and other fossil fuels are neither sustainable nor safe. We shouldn’t use them. Coal, oil, and methane gas are fossil fuels formed over time from the remains of living organisms. In the ...

Rachel Cleetus is the policy director with the Climate and Energy program at the Union of Concerned Scientists. She leads the program’s efforts in designing effective and equitable policies to address ...

Roughly 9,500 nuclear weapons are hidden away in bunkers and missile siloes, stored in warehouses, at airfields and naval bases, and carried by dozens of submarines across the world. A single warhead ...

The movement of wind and water, the heat and light of the sun, the carbohydrates in plants, and the warmth in the Earth—all are energy sources that can supply our needs in a sustainable way. A variety ...

The energy business is one of the largest industries in the world. Major fossil fuel companies routinely make billion-dollar profits, extracting and distributing oil, gas, and coal. Unfortunately, ...

The science is clear: climate change is happening. We are the cause. We need to act now. Table of Contents The science is clear: climate change is happening. We are the cause. We need to act now.

Brenda Ekwurzel is director of scientific excellence at the Union of Concerned Scientists (UCS). In this role, she is responsible for ensuring rigorous, independent science to enhance UCS's ...

The short answer is: because we are human beings who believe in justice, and we want our work to reflect that belief. So, as an organization that works for “a healthy planet and a safer world,” we ...

The UCS Science Fellows Program brings scientists and scholars to UCS to work on innovative and forward-looking projects. The UCS Science Fellows Program brings scientists and scholars to UCS to work ...

Rachel Licker is principal climate scientist with the Climate & Energy Program at the Union of Concerned Scientists. In her role, she provides strategic thinking and technical and analytical expertise ...

The continued production and use of fossil fuels threatens our climate, public health, and human rights. A fossil fuel phaseout is necessary to build a healthier, safer, and more just world, and any ...