How can we stop the persecution of birds of prey?

It’s time for us to get tough on wildlife crime

If you have an ethical dilemma, email Lucy at lucy.siegle@observer.co.uk

2014 Masters Grand Slam: The inaugural Longines Los Angeles Masters

Belgum’s Jos Verlooy and his horse Domino took home the top prize in the Longines Grand Prix. The inaugural Longines Los Angeles Masters came to a close with eighteen-year-old Belgian rider, Jos Verlooy, taking the top prize in the Longines Grand Prix, the most prestigious class of the four-day competition. Verlooy emerged the winner with … Read more

Emma Thompson in the Arctic with Greenpeace: ‘There are more good-looking men on this boat than any place I have ever been’ – video

Actor Emma Thompson has gone on an expedition with Greenpeace to raise awareness of the dangers of drilling for oil. She doesn’t want to tweet, but Stephen Fry has told her to ‘get a grip’. It’s freezing cold, Greenpeace keep asking her to pose for pictures on icebergs and her Arctic gear makes her ‘look like a sofa’. Here is her adventure

• Read an interview with Emma Thompson in the Guardian’s Weekend magazine on Saturday

China’s environmental woes inspire art

Exhibition by one of China’s most well-known artists uses stark imagery to shed light on environment issues

Orangutan experts plead for Australian food manufacturers to reject palm oil

Apes, elephants, rhinos and tigers at dire risk if unsustainable palm oil plantations allowed in Sumatran reserve