Environment

Many of Colombia's poisonous dart frogs are now threatened or endangered but can fetch thousands of dollars on the black market (Credit: Ronald Patrick/Getty Images)
Wildlife
The poisonous frogs sent in the post
By Peter Yeung
Air-conditioning units on a wall (Credit: Javier Hirschfeld/ Getty Images)
Smart Guide to Climate Change
How your fridge is warming the planet
By Isabelle Gerretsen
Researchers from the Russian Academcy of Sciences discovered a new crater in Yamal during an expedition in August 2020 (Credit: Evgeny Chuvilin)
Arctic
Why the Arctic permafrost is exploding
By Richard Gray
A parasitic wasp climbs onto a caterpillar (Credit: Getty Images)
Environment
The 1mm bug that saved an economy
By William Park
Controlling radiators to only heat the rooms that are in use is a good way of conserving energy (Credit: Javier Hirschfeld/Getty Images)
Smart Guide to Climate Change
The smart way to stay warm this winter
By Laura Cole
Descending a gold mine in Scotland (Credit: Jeff J Mitchell/Getty Images)
Mining
Why it’s getting harder to mine gold
By Chris Baraniuk
Wildfires can release huge amounts of greenhouse gases and harmful smoke particles that affect human health (Credit: AFP/Getty Images)
Environment
Why wildfire smoke causes harm far away
By Allison Hirschlag
The rise of fast fashion is largely behind the growing amounts of clothing we buy and throw away each year (Credit: Press Association)
Recycling
Why clothes are so hard to recycle
By Abigail Beall
Human activities that meddle with natural coastlines are altering where water can flow and causing tides to shift (Credit: Alamy)
Environment
Why tides are changing around the world
By Alexandra Witze
1918 flu virus (Credit: Science Photo Library)
What If...
Why the Earth needs viruses
By Rachel Nuwer
Lockdowns during the pandemic have meant many popular spots that would normally bustle with people have been unusually quiet (Credit: Alamy)
Covid-19
How the world fell silent
By Josh Sims
Rainforest covered in mist (Credit: Getty Images)
Climate change
Why trees alone won't save the planet
By Michael Marshall
Fifty years on from the first Earth Day in 1970, pictured here, much of the world is wearing masks for a different reason - and the protest has moved online (Credit: Getty Images)
Future Planet
What Earth Day achieved in 50 years
By Sophie Yeo
Buried amongst the junk in our household drawers are devices that contain valuable metals and minerals (Credit: Getty Images)
Environment
Why your house could be a gold mine
By Tim Smedley
Grounded planes line the tarmac at Istanbul Airport (Credit: Getty Images)
Covid-19
What Covid-19 means for the environment
By Martha Henriques
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