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Guardian

Guardian

Science

Science

What I’ve learned after 40 years as the Observer’s science editor

Guardian
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74% Informative

Global temperatures could rise by 2C by the mid-21st century , warns John Mercer .

Today temperatures are 1.5C warmer than they were in preindustrial times and sea levels are rising at an accelerating rate.

Ice is disappearing, threatening to inundate Earth ’s populated coastal zones with meltwater.

US has an outspoken vaccine sceptic as its health secretary while cases of measles are returning in increasing numbers.

In the case of the climate crisis, denial has been long-lasting, pernicious and highly inaccurate.

In 2015 , researchers in Louisiana and Washington succeeded in detecting gravitational waves generated by the merger of two black holes by using giant laser interferometers.