Will eating organic food make you healthier?

A major new study has found that organic foods contain higher levels of antioxidants and less harmful chemicals than conventionally farmed produce. But does that mean they are better for you? With your help, Karl Mathiesen investigates.

Let us know your thoughts. Post in the comments below, email karl.mathiesen.freelance@theguardian.com or tweet @karlmathiesen

Parks look for new ways to meet costs – with trees, bees and subscription fees

With warnings that many of Britain’s parks are on a financial precipice, some are looking at novel ways to meet running costs

Revealed: whale-watching boats the greatest collision threat to whales

Guardian Australia analysis of International Whaling Commission data shows motor yachts, naval vessels and ferries come close behind

Marlon Brando’s paradisiacal hideaway in French Polynesia is the world’s first and foremost post-carbon resort

Marlon Brando’s paradisiacal hideaway opens in French Polynesia. The Brando, the luxury resort imagined by Marlon Brando, opens the doors on the 10th anniversary of Marlon Brando’s death. The luxury resort is situated on French Polynesia’s breathtakingly beautiful private atoll of Tetiaroa – an atoll composed of a dozen small islands surrounding a sparkling lagoon … Read more

Tackling climate change one rock at a time

Whitewashing a mountain in Peru, creating artificial glaciers in Ladakh and trying to hold back the ocean in the Maldives – some ingenious schemes to combat climate change are highlighted in Gaia Vince’s latest book, Adventures In The Anthropocene