'Blue carbon' is seen as an increasingly important issue, but it needs to be backed up by better science, reports Mićo Tatalović.

SciDev.Net talks to Sylvia Earle, scientist, oceanographer, explorer, about her hopes for oceans at the Rio+20 conference in Brazil in 2012.

Data-sharing is part of the answer to problems arising from the Arab region’s most serious challenge, water, finds Rehab Abd Almohsen.

SciDev.Net speaks to UN Environment Programme executive director Achim Steiner at the Eye on Earth Summit (12-15 December) about next year's Rio+20.

New technologies offer the promise of delivering environmental information to anyone who wants it, anywhere in the world. But we are not quite there yet.

A preparatory meeting for the Rio+20 summit will discuss open access environmental data with a focus on biodiversity, water, oceans, cities and disasters. Yojana Sharma reports.

Controlling the amount of pollution that goes into China's Taihu Lake is the key to managing the algal blooms, writes Lucie Guo.

Fish production could be boosted by exploiting Sri Lanka's man-made reservoirs. Anuradha Alahakoon reports on the challenges and progress so far.

Efforts to restore the mangrove ‘bioshield’ around Indian Ocean coasts are facing challenges from shrimp farming and a lack of local support, writes Erika Check.