Biodiversity is flourishing on Welsh coal tips – but for how much longer? Members only Members only
Wales' old coal tips are havens for rare species, but their future is at risk as the government considers how to prevent future slips.
'They just fit': Has the wild boar been over-culled? Members only Members only
Naturalists fear that boar are declining in the Forest of Dean. The controversial question, however, is how many should be there in the first place.
Can American mink be eradicated from Britain? Members only Members only
A trapping project in the East of England has the potential to eradicate invasive mink from the whole region, and perhaps beyond.
Six thousand years of forests Members only Members only
Immerse yourself in the sights and sounds of Britain's forests through the millennia – from the primeval wildwood and into the future.
'Nobody wants to live in a theme park': Will Wales finally get a new National Park? Members only Members only
The Welsh government has pledged to turn the Clwydian Range into the country’s fourth National Park – but not everyone is happy.
‘Does neb eisiau byw mewn parc thema’: a fydd Cymru yn cael Parc Cenedlaethol newydd o’r diwedd? Members only Members only
Mae Llywodraeth Cymru wedi addo gwneud Bryniau Clwyd yn bedwerydd Parc Cenedlaethol y wlad – ond nid yw pawb yn hapus.
'You've got to be pretty ruthless': Why the future of nightingales depends on deer hunters Members only Members only
The introduction of muntjac deer to the UK in the 20th century has contributed to declines in woodland birds. Patrick Galbraith joins a hunter trying to keep numbers under control.
The silver lining to Britain's ash dieback crisis? More deadwood. Members only Members only
A fetish for tidiness has robbed Britain's woodlands of their deadwood. A devastating tree disease offers a chance to bring it back.