Giant sinkholes are a tourist hit - but ancient forests inside are at risk These caves were unexplored for thousands of years, protected by swirling mists and terrifying tales.
Cop29: US out, China in - the future of climate talks? What it means for the global climate effort if another superpower comes to the fore, just as Trump steps back ...
Fury at climate talks over 'backsliding' on fossil fuels Countries are split at UN climate summit over funding and commitments to reducing fossil fuel use.
Is nuclear power gaining new energy? Countries around the world are building new nuclear power stations.
Living in Delhi smog is like watching a dystopian film again and again Toxic, deadly, poisonous - these words are back in the headlines as Delhi's pollution spikes again.
Flatulence tax: Denmark agrees deal for livestock emissions levy It is part of a wider plan to reduce emissions and pollution and restore natural habitat.
'The sixth great extinction is happening', conservation expert warns Conservationist Jane Goodall on the urgent need to turn the tide on climate change and nature loss.
Volcanoes once erupted on the far side of the moon Volcanic rock, dating back billions of years, has been detected in the first samples collected from the mysterious "dark side".
COP29 hosts accused of detaining climate defenders Human rights groups have called for a review of how countries are chosen to host the COP climate summits.
UN climate talks 'no longer fit for purpose' say key experts Call for change comes after host country Azerbaijan's president calls oil and gas a 'gift of God'
Runaway 'spy whale' fled Russian military training says marine scientist Marine scientist uncovers the story behind Andruha's escape from Russian military training programme.
