Aliens may destroy humanity to protect other civilisations, say scientists

clock •

Rising greenhouse emissions could tip off aliens that we are a rapidly expanding threat, warns a report

It may not rank as the most compelling reason to curb greenhouse gases, but reducing our emissions might just save humanity from a pre-emptive alien attack, scientists claim. Watching from afar, extraterrestrial...

To continue reading this article...

Join BusinessGreen

In just a few clicks you can start your free BusinessGreen Lite membership for 12 months, providing you access to:

  • Three complimentary articles per month covering the latest real-time news, analysis, and opinion from Europe’s leading source of information on the Green economy and business
  • Receive important and breaking news stories via our daily news alert
  • Our weekly newsletter with the best of the week’s green business news and analysis

Join now

 

Already a BusinessGreen member?

Login

More on Climate change

Experts call for serious, long term climate action to prevent UK becoming 'ungovernable'
Climate change

Experts call for serious, long term climate action to prevent UK becoming 'ungovernable'

UK policymakers urged to rise above 'comfortable short-term options' and adopt a 'World War Two level' of leadership on climate at National Emergency Briefing in Westminster

Stuart Stone
Stuart Stone
clock 27 November 2025 • 6 min read
Danone becomes largest B Corp to date
Climate change

Danone becomes largest B Corp to date

European food giant achieves global B Corp status, having secured certification in over 60 countries

Stuart Stone
Stuart Stone
clock 26 November 2025 • 3 min read
Why hosting the UN climate summit in the Amazon was so important, despite the disappointing outcome
Climate change

Why hosting the UN climate summit in the Amazon was so important, despite the disappointing outcome

The final text may have fallen short, but staging COP30 in the Amazon provided powerful evidence of what is at stake as climate impacts intensify

Alexander C. Lees, Manchester Metropolitan University; Joice Ferreira Universidade Federal do Pará (UFPA) and Empresa Brasileira de Pesquisa Agropecuária (Embrapa); and Jos Barlow, Lancaster University - The Conversation
clock 25 November 2025 • 5 min read