Climate change should be top foreign policy priority, G7 study says

Global warming ‘ultimate threat multiplier’ posing serious risk to world security, says report urging governments not to see it simply as a climate issue

Climate change threatens 50 years of progress in global health, study says

But slashing fossil fuel use also presents greatest global opportunity to improve people’s health in 21st century, says Lancet and UCL commission

How to change the world: Greenpeace and the power of the mindbomb

The director and key figures in an award-winning documentary talk about the early days of the activist group and how shocking images were used for global impact

Italian tax clampdown dims the sparkle at Bulgari

Tax affairs of billionaire Bulgari heirs Nicola and Paolo in the spotlight as authorities target luxury brands

Most glaciers in Mount Everest area will disappear with climate change – study

About 5,500 glaciers could disappear or drastically retreat by the end of the century with severe impacts on farming and hydropower, say scientists