US and Mexican activists fighting new oil and gas projects said they had to give a basic lesson on the harm caused by fracking during meetings with financiers in London.

Practices for helping large groups of people integrate traumatic histories could inform more effective action.

Draft standards drawn up by the Integrity Council for the Voluntary Carbon Market aim to tighten up a notoriously opaque sector.

Independent documentary opens a window into the dilemmas confronting social movements seeking transformative action on climate change.