Tom is online editor. He studied English Literature and History at Sussex University before gaining a Masters in Newspaper Journalism from City University. He's particularly interested in the public sector and the ethical implications of emerging technologies.
The Earth could be approaching an environmental tipping point that will suddenly leave catastrophic, irreversible ecological damage on the planet.
Ecological modernists argue that technology could be harnessed to avoid this point of return, and some of them are turning their ideas into startups.
Here's our pick of the best greentech startups in the UK.
Read next: Top tech projects for social good in the UK and beyond
Additional reporting from Christina Mercer