Stories by Paul Brown

Methane emissions from big hydroelectric dams in the tropics outweigh the benefits that this form of renewable energy provides, according to new scientific data

Secretary-General Ban Ki-Moon hopes to prevent world leaders sleepwalking into climate catastrophe by asking them to make new emissions pledges at a climate summit in New York this month

Small reactors in kit form are the latest idea aimed at reviving the fortunes of the nuclear power industry

Cosmic rays can have played at most a very small part in global warming, new research finds

Contrary to claims by critics of wind power, Spanish researchers say, the turbines do reduce carbon dioxide emissions significantly even though the wind does not blow continuously

London insists it needs new nuclear power plants to replace aging ones, but is also granting extended operating permits to those older units

Some of the world's largest banks plan to cut credit for companies that rely on but fail to value forests, water and other natural resources

Suburban sprawl might prove a solution if homes boast photovoltaics and electric cars

The British government has been collecting plutonium as a future fuel for future reactors

German researchers suggest linking solar, wind and biogas plants could help avoid electricity shortages