The physics of Earth’s natural systems show that a delay—of even a decade—in reducing CO2 emissions will lock in large-scale, irreversible changes.

Reuters // Reuters

OSLO, July 21 (Reuters) - Small fish play a big role in the oceans and catches should be cut sharply to safeguard marine food chains from plankton to blue whales, an international team of experts said on Thursday.

Renewable Energy World Editors

PARIS -- Renewable energy continued its global surge in 2010, accounting for about half of the 194 gigawatts of new installed capacity, according to the REN21 Renewables 2011 Global Status Report.

Fiona Harvey

European fisheries chief hopes phasing out 'discarding' and agreeing plans with member states will preserve Europe's fish stocks

Juliet Eilperin

Climate change in the Arctic is not likely to spark an immediate boom in oil and gas exploration, according to a new study published in the journal Atmospheric Chemistry and Physics.

CBS News

A new study suggests that more than 40 fish species in the Mediterranean could vanish in the next few years.

Despite global financial challenges, deployment of renewable energy sources has increased rapidly in recent years, according to a report released Tuesday by the Intergovernmental Panel on Climate Change (IPCC).

Paul B. Farrell

Fiona Harvey

Greenhouse gas emissions increased by a record amount last year, to the highest carbon output in history, putting hopes of holding global warming to safe levels all but out of reach, according to unpublished estimates from the International Energy Agency.

The New York Times

EDWARD WONG

DANJIANGKOU, China — North China is dying.

Multimedia