Plankton plan nixed
Nations should use “utmost caution” before modifying the oceans in a bid to mop up carbon dioxide, international negotiators agreed last week. Several companies offer to offset emissions by triggering plankton growth to absorb CO2. But the London convention, which regulates international waters, says we need to know more before the process can be considered safe.
Bearly clinging on
The sun bear of south-east Asia has for the first time been classified as vulnerable on the World Conservation Union (IUCN) Red List of Threatened Species. Six out of the eight bear species are now considered…
