Photo Gallery Ways to Avoid a Climate Catastrophe
Turning away from fossil energy is on the agenda if humans want to continue their triumphant advance on the earth. This offshore wind park on the Danish island Lolland produces 170 megawatts of electricity.
A solar panel facility in the German state of Bavaria near the towns of Kaufbeuren and Ostallgäu. The Solarpark Kaufbeuren is one of the world's largest photovoltaic systems.
Demand for biofuels has become so great that it is already making some farmers in the US Midwest rich.
The glowing nightime skylines of our world's great cities are symbolic of a central problem: Unless consumers of energy change there consumption habits, too, then government policies alone will never be sufficient to reduce energy use.
An energy saving compact flourescent bulb (left) next to an old-style incandescent light bulb: If we want a soft-landing in the age of climate change, the best approach is to act more energy efficiently, promote better use of renewable energies and be more responsible in our usage of fossil fuels.
Coal-fired power plants have become a symbol of green gas emissions: Mankind burns up to 10 million tons of crude oil a day, 12.5 million tons of hard coal and 7.5 billion cubic meters of natural gas.