Earth Science

5 results
by Tim Blackburn

Did you know that the introduction of new species to alien habitats has been the main cause of species extinction over the past 500 years? That’s right — it’s even worse than habitat destruction.

We might think that exploring Antarctica, one of the most inhospitable regions of the world, is something that has no relevance to us or future generations. According to Martin Siegert, we couldn’t be more wrong.

Dust in the air is nothing new. But for the Amazon rainforest, dust from the Sahara is crucial for its survival. How does this happen though? Ian Ashpole explains the phenomenon.

Humans have increased the amount of CO2 in our atmosphere; that is clear. This CO2 is the main cause of global warming, but what is less widely acknowledged are the many ways that CO2 affects our planet. Imperial College physicist Heather Graven tells ...

by Philip Pogge von Strandmann

The Earth is over 4 billion years old, but land animals have only existed on our planet for the past 500 million years. Why didn’t animal life on land emerge sooner? And why did it emerge at all? The Earth ...