
Agriculture is part of the solution to the world's environmental challenge and must play a key role at next June's Rio summit on sustainable development, the Brazilian head of the UN food agency said this week.

Thousands of trade unionists, students and activists for indigenous and environmental causes gathered Tuesday in the southern Brazilian city of Porto Alegre to kick off debate in the anti-capitalist World Social Forum.

Standard & Poor's will likely downgrade Greece's ratings to selective default when the country concludes its debt restructuring, but that will not necessarily destroy the credibility of the European Union, an official with the ratings agency said on Tuesday.

The Euro zone debt crisis is escalating and dragging down the world economy, the International Monetary Fund said on Tuesday, as it sharply cut its outlook for global growth and called for policies to restore confidence.

The biggest solar storm in seven years to hit the Earth will begin Tuesday early morning, according to the US National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Prediction Centre. It will likely cause the largest solar radiation storm that the earth has encountered since 2005.

The Greek government published a list of the country’s worst tax evaders on Sunday, after months of warning those same evaders to pay up or risk being named and shamed.

The European Union banned imports of oil from Iran on Monday and imposed a number of other economic sanctions, joining the United States in a new round of measures aimed at deflecting Tehran’s nuclear development program.

IMF chief Christine Lagarde urged on Monday European governments to increase their financial firewall to prevent Greece’s troubles from ensnaring bigger countries like Italy and Spain.

Offshore drilling activity in UK waters fell by a third last year to its lowest level since 2003, going against a trend of increased exploration and appraisal activity in the rest of north-west Europe, according to a new report.

A large oil rig has arrived off the coast of Cuba to begin searching for offshore oil deposits. Several international companies will use the rig to drill exploratory wells in deep water in the Florida Strait, which separates Cuba from the US.