Paul Watson plans to stop Japanese whaling 'completely', but arrest warrant means he might not be able to reach his own fleet
Diminishing helium supplies should be used for life-saving equipment not balloons, says professor
Meanwhile, police chief warns badger culls will be risk to public safety because of presence of protesters
Trial badger culls are to go ahead within weeks, but wildlife groups are mobilising
TV naturalist was loved by millions of children for stints on The Really Wild Show and Animal Magic
New Cabinet arrival sent Mafia-style threat to London mayor and called National Trust 'latter-day Luddites'
Scientists find little difference between organic and ordinary food, but results attract criticism
Cameron and Osborne hope relaxing planning laws will drag UK out of recession - but we've been here before
World Bank calls for governments to act as droughts lead to spike in prices of corn, soybean and wheat
Nearly all of Greenland's ice sheet began to melt for a few days in July. Is climate change to blame?
Enormous iceberg crashes into the sea, and waves nearly engulf nearby boat
A fifth fatality in 10 months confirms Western Australia's place at top of the shark attack league
Britons among nine killed after block of ice triggers 150m wide avalanche in French Alps
Chinese wildlife park claims rare white tiger cub was killed by four older tigers due to 'excessive frolic'
Cage diving singled out as Australian state hopes to reduce shark attacks
Having bears wrestling in the front garden is like 'living in a zoo' says home-owner
Once again, thousands of delegates descend on a pleasant location. Once again, the result is failure