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Greta Thunberg: ‘Leaders failed us on climate change’

Greta Thunberg: ‘Leaders failed us on climate change’

World
Media playback is unsupported on your device Swedish campaigner Greta Thunberg has made a passionate speech to world leaders at the UN, accusing them of failing to act on climate change. "You have stolen my dreams and my childhood with your empty words," she told a UN climate summit in New York.About 60 world leaders are taking part in the one-day meeting organised by UN Secretary General António Guterres. He earlier said countries could only speak at the summit if they came with action plans to cut carbon emissions. US President Donald Trump, a climate change sceptic, had not been expected at the meeting - but he was briefly spotted in the audience.Brazil and Saudi Arabia are among the countries staying away.What did Greta Thunberg say?In an emotional spe
Climate change: Impacts ‘accelerating’ as leaders gather for UN talks

Climate change: Impacts ‘accelerating’ as leaders gather for UN talks

Science
The signs and impacts of global warming are speeding up, the latest science on climate change, published ahead of key UN talks in New York, says.The data, compiled by the World Meteorological Organization (WMO), says the five-year period from 2014 to 2019 is the warmest on record. Sea-level rise has accelerated significantly over the same period, as CO2 emissions have hit new highs.The WMO says carbon-cutting efforts have to be intensified immediately.The climate statement is a pull-together of the latest science on the causes and growing impacts of unprecedented levels of warming seen in recent years. Recognising that global temperatures have risen by 1.1 degrees C since 1850, the paper notes they have gone up by 0.2C between 2011 and 2015. ...
Study: Fighting climate change is more cost-effective than cleaning up the mess

Study: Fighting climate change is more cost-effective than cleaning up the mess

Science
Sept. 20 (UPI) -- It pays to fight climate change, new research suggests. Transitioning from fossil fuels to renewable energy sources won't be cheap or easy. But new research suggests the investments will pay off in the long run. That's because the cost of inaction -- letting climate change run its course and dealing with the consequences -- will be much more expensive than curbing emissions. In other words, climate mitigation efforts yield a good return on investment, researchers said. "That investment is even more compelling given the wealth of evidence that the impacts of climate change are happening faster and more extensively than projected even just a few years ago," Ove Hoegh-Guldberg, deputy director of the Australian Research Council Centre for Excellence in Coral Reef Studies,...
Millions call for more action on climate change in global protests

Millions call for more action on climate change in global protests

World
Across the globe, millions of people, mostly students and children, have taken part in demonstrations calling for more urgent action from their governments to tackle climate change.The protests, inspired by Swedish teenage activist Greta Thunberg, started in the Pacific islands and then continued across Australia, Japan, Southeast Asia before moving on to Europe, Africa, the Middle East and the Americas - 139 nations in all. Young people stayed away from school while employees did not go into work during the day of mass protests. An estimated 250,000 people gathered in New York to hear Miss Thunberg, 16, tell them their efforts have put world leaders under fresh scrutiny."The eyes of the world will be on them. They have a chance to prove that they too are united behind the science. They ...
Climate change: Arctic expedition to drift in sea-ice for a year

Climate change: Arctic expedition to drift in sea-ice for a year

Science
Media playback is unsupported on your device It's being described as the biggest Arctic science expedition of all time. The German Research Vessel Polarstern is about to head for the far north where it intends to drift in the sea-ice for an entire year. Hundreds of scientists will visit the ship in that time to use it as a base from which to study the climate.The MOSAiC (Multidisciplinary drifting Observatory for the Study of Arctic Climate) project is expected to cost about €130m (£120m/$ 150m).Its scale means it must be an international effort. RV Polarstern will be supported by icebreakers from Russia, Sweden and China.In deep winter, when these vessels can't pierce the floes to reach the German ship, aeroplanes and long-range helicopters w