My fear for a future of climate change | Letters

My fear for a future of climate change | Letters

Protesters hold a banner reading Change the System not the Climate during the Rise for the Climate march in Paris on 8 September 2018. I have had a long and happy life but what am I leaving my great-grandchildren?

High ice and hard truth: the poets taking on climate change

High ice and hard truth: the poets taking on climate change

High up on a melting Greenland glacier, at the end of this summer from climate hell,two young women shout a poem above the roar of the wind. ‘Hoping to rouse more of the world to action’ … Jetnil-Kijiner and Niviana in Greenland with Bill McKibben Photograph: 350.org

HP's New 3-D Printers Build Items Not of Plastic but of Steel

HP's New 3-D Printers Build Items Not of Plastic but of Steel

HP's New 3-D Printers Build Items Not of Plastic but of SteelHP is hoping its new Metal Jet 3-D printers will provide inroads into manufacturing sectors such as automobiles and medical devices.HPWhen you think about 3-D printing, chances are you think of little plastic doodads created by desktop devices like those made by MakerBot. Computing and printer giant HP wants you to think about metal.Today the company announced the Metal Jet printer, an industrial-scale 3-D printer that builds items not of plastic but of steel.3-D plastic printing is widely used for custom items such as prosthetics and hearing aids, and by product designers for prototyping.

UK weather forecast: Freezing cold snaps to become MORE COMMON in the future

UK weather forecast: Freezing cold snaps to become MORE COMMON in the future

Nalan Koc, research director of the Norwegian Polar Institute, said: “The jet stream becomes wavier, meaning that colder air can penetrate further south and warmer air further north.”Erik Solheim, head of the UN Environment, said: “What we once considered to be anomalies are becoming the new normal.“Our climate is changing right in front of our eyes, and we’ve only got a short amount of time to stop this from getting significantly worse.”