The environment

How effective are planes in fighting wildfires? © Getty Images

How effective are planes in fighting wildfires?

Man-made glaciers in the Himalayas © Lobzang Dadul

Living in the most inhospitable places on Earth

Are fireworks bad for the environment? © Getty Images

Are fireworks bad for the environment?

Is there acid snow (like acid rain)? © Getty Images

Is there acid snow (like acid rain)?

The thought experiment: How could I survive being washed up on a desert island?

The thought experiment: How could I survive being washed up on a desert island?

Long-lived clams reveal secrets of oceans past © Getty Images

Long-lived clams reveal secrets of oceans past

Does rain ever fall as pure water? © Getty Images

Does rain ever fall as pure water?

What is the greenest energy source?

What is the greenest energy source?

How do household cleaning products affect the environment? © Getty Images

How do household cleaning products affect the environment?

Climate warning over 'half a degree’ change © iStock

Climate warning over ‘half a degree’ change

Could I build a house that would survive a volcanic eruption?

The thought experiment: Could I build a house that would survive a volcanic eruption?

What causes allergies in some people? © Getty Images

What causes allergies in some people?

Are the oceans getting saltier? © iStock

Are the oceans getting saltier?

The unsung heroes of climate change © Getty Images

The unsung heroes of climate change

Is it more environmentally friendly to buy a fake Christmas tree, or a real one? © Getty Images

Is it more environmentally friendly to buy a fake Christmas tree, or a real one?