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4 October 2017

Secure email, electric cars go free, Vitamin D and asthma, and more


I want to show the courts who's to blame for climate change

I want to show the courts who's to blame for climate change

4 October 2017

Climate modelling allows us to link extreme weather, climate change and emissions so we can use the law to hit big oil where it hurts, says Myles Allen


Grass-fed beef is bad for the planet and causes climate change

Grass-fed beef is bad for the planet and causes climate change

3 October 2017

Supporters like Prince Charles say raising cattle on pastures can be good for the environment, but the sums have been done and their claims don’t add up


Why Puerto Rico still has no electrical power and how to fix it

Why Puerto Rico still has no electrical power and how to fix it

29 September 2017

Hurricane Maria is long gone but almost all of Puerto Rico has been left without a power supply, and restarting the national grid from scratch will be very difficult


Rainfall

A few cold drops falling through a cloud could create a downpour

27 September 2017

One raindrop that is less than 4°C cooler than the surrounding cloud can trigger a rapid burst of microdroplets, which can spawn a sudden rainstorm


People run in the streets after a powerful earthquake jolted Mexico City on 19 September

Mexico City quake: A few seconds' warning can still save lives

27 September 2017

The recent earthquake in Mexico City shows even the best tremor alarms sometimes only go off seconds before – but clever planning can mean those few seconds save many people


Energy from evaporating water could rival wind and solar

Energy from evaporating water could rival wind and solar

26 September 2017

Water evaporating from lakes and reservoirs could provide a huge amount of electricity, but scaling up the technology will be tricky


A solar eclipse

What a surprise – the end of the world has been delayed, again

25 September 2017

The planet Nibiru was meant to wipe us out on Saturday. Undeterred by a no-show, doomsday theorists are already peddling more nonsense, warns Geraint Lewis


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