Major new report says world must invest $1tr per year in renewable energy and energy efficiency
BREAKING: The solar-powered plane has completed a five-day trip, the longest leg of its round-the-world journey
Pollution restrictions would prove almost impossible to meet, while new runway would restrict economic growth elsewhere, green groups warn
Airports Commission says £17bn expansion is ‘clear and unanimous' choice but should include night flight ban and laws against ever building a fourth runway
At 44 hours and 11 minutes, the solar-powered plane broke its own record for the longest continuous flight using only solar power
The solar-powered plane has reached the 'point of no return' for its 120-hour leg, as it attempts to set two world records
Manufacturers say use of unmanned aerial vehicles to collect environmental data is soaring
Mentions of how to tackle growing emissions are few and far between at the famous air show, says Bill Hemmings of T&E
Research suggests a new runway would mean severely curtailed growth outside the South East if UK is to meet binding emissions targets
Ruling prompts agency to start formulating standards to regulate sector under Clean Air Act