The world's first solar-powered aircraft, Helios, has made a world altitude record. It reached 24.7 km, five hours and 16 minutes after its launch from the us navy's Pacific Missile Range

a global network of non-governmental organisations ( ngo s), business associations and scientific institutions has launched the World Council for Renewable Energies ( wcre ), to

A new report paints a grim picture of the world s coastal areas

a global network of marine reserves should be established to halt the alarming decrease in fish stocks, say leading marine scientists. In a

Nations finally draft a treaty to combat the use of toxic chemicals like DDT and PCBs, which are known for their damning health effects

Forest fragmentation can have detrimental effects on the flora and fauna, leading to a loss of biodiversity

Eight countries decide that it is time to have uniform standards for vehicular emissions