Explainers

MOX fuel, short for mixed-oxide fuel, is a mixture of uranium and plutonium oxide. It carries risks.

Factsheet on the Reprocessing of Spent Fuel from Nuclear Reactors.

Reprocessing increases the total volume of radioactive waste.

Texas oil companies spent millions on a deceptive ballot campaign to pass Proposition 23, the dirty energy proposition.

Catastrophes cause great physical harm, but they also impose a less obvious toll on the human psyche.

With climate change, the water cycle is expected to undergo significant change.

For most scientific research, scientists like to point out the level of uncertainty. Why?

Rising temperatures on Earth are changing the climate, including the timing of spring, which is having myriad domino effects on people and the environment.

Carbon dioxide increases the growth rate of many plants and increases the amount and potency of pollen. Rising temperatures extend the growing season and the duration of allergy season.

Climate change increases the probability of heavy rains and flooding. This happens because warmer air holds more moisture.

An analysis of the climate talks in Copenhagen detailing the pros and cons of the Copenhagen Accord.

A comprehensive overview of solar power technologies, benefits, costs, and more from the Union of Concerned Scientists, including rooftop solar panels, large-scale solar power plants, and how solar panels work.