Explainers

Innovative programs around the country now make it possible for all environmentally conscious energy consumers to support renewable energy directly by participating in the "green" power market.

The UCS Energy Program is working to help the United States move toward a greater reliance on energy from the wind, the sun, plants, and other safe, clean, renewable sources

Separating fact from fiction in Michael Crichton's book "State of Fear" and clearing up misconceptions about the validity of global warming evidence.

An earth-penetrating weapon (EPW) is designed to hit the earth at high speed and penetrate into the ground before exploding.

Both the overall warming and the disproportionate increase in minimum temperatures have contributed to a lengthening of the warm (growing) season, especially in mid- to-high latitudes.

"Abrupt climate change" describes changes in climate that occur over the span of years to decades, compared to the human-caused changes in climate that are occurring over the time span of decades to centuries.

Although no comprehensive treaty about space weapons is in effect, a legal framework does exist.

Warmer global temperatures are expected to cause an intensification of the hydrologic cycle, with increased evaporation over both land and water.

Most glaciers in the world, are more sensitive to temperature than to other climatic factors.

An increase in global temperatures will lead to an intensification of the hydrological cycle.

The geographic ranges of most plant and animal species are limited by climatic factors. Any shift in the magnitude or variability of these factors in a given location will impact the organisms living there.

Global climate change is one of the most serious challenges facing us today.