Timelapse captures sandstorm engulfing Phoenix
These storms are sudden and violent and can stretch across Arizona's desert landscape at any time.
Author Archives: BBC News - Science & Environment
Heatwaves are new normal as 50C hits US and China – UN
The European heatwave may last into August, the World Meteorological Organisation warns.
Climate change plan will leave UK unprepared, advisers warn
The latest plan to prepare the UK for intense heatwaves and flooding falls short of expectation.