Ian Sample

Ian Sample has been a science correspondent for the Guardian since 2003. Before that, he was a journalist at New Scientist and worked at the Institute of Physics as a journal editor. He has a PhD in biomedical materials from Queen Mary's, University of London.

Climate & Energy

Earth-cooling schemes need global sign-off, researchers say

Radical geoengineering projects could have disastrous impacts on the world's most vulnerable people, raising the need for global oversight.

Got 2.7 seconds?

We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.