ScholarTools

BBC News - Science & Environment

1. Definition of kilogram set to change
   Scientists are set to change the way the kilogramme is defined.
2. Climate change: Report says 'cut lamb and beef'
   The number of sheep and cattle in the UK should be reduced to help combat climate change, a report says.
3. Climate change: Worries over CO2 emissions from intensifying wildfires
   Rising numbers of extreme wildfires could result in a significant increase in CO₂ emissions, scientists have warned.
4. Greenland ice sheet hides huge 'impact crater'
   Scientists find evidence that an iron asteroid slammed into the Earth deep inside the Arctic Circle.
5. Exoplanet discovered around neighbouring star
   Astronomers have discovered a planet around one of the closest stars to our Sun.