Related topics: energy

Engineers use rust to build a solar-powered battery

The recent crash in oil prices notwithstanding, an economy based on fossil fuels seems unsustainable. Supplies of oil, coal and similar fuels are finite, and even if new sources are found, global warming must be considered. ...

Nuclear power vital to cutting CO2 emissions: report

Roughly a quarter of global electricity could be generated by nuclear power by 2050, requiring a tripling in nuclear generating capacity but making a major contribution to reduced CO2 emissions, a report said Wednesday.

Earth in hot water? Worries over sudden ocean warming spike

The world's oceans have suddenly spiked much hotter and well above record levels in the last few weeks, with scientists trying to figure out what it means and whether it forecasts a surge in atmospheric warming.

Clues in coral bleaching mystery

Coral reefs are tremendously important for ocean biodiversity, as well as for the economic and aesthetic value they provide to their surrounding communities. Unfortunately they have been in great decline in recent years, ...

Nuclear still main alternative to oil: ex-IAEA chief

The former head of UN atomic agency voiced confidence Sunday in nuclear energy as the only real alternative to oil despite a potential "setback" in the sector due to Japan's current disaster.

page 16 from 40