Extremely potent greenhouse gas leaked from a Kazakh well for over six months.

There are also concerns mass carbon offsetting schemes will affect communities and wildlife.

The BBC has uncovered a black market in highly polluting greenhouse gases being smuggled into the UK.

Global carbon emissions are set to get back close to the levels they were at before Covid.

Wales' deputy climate change minister admits "we're way behind" tree-planting targets.

Plans to encourage more tree-planting are under fire for "destroying" rural communities.

Reducing methane emissions needs to play a much more important role in tackling global warming.

Meet the teams who track down and destroy hidden sources of greenhouse gases.