Now playing Next USA What are fossil fuels? Coal, petroleum and natural gas have been the main sources of energy for centuries, but the health of the planet has paid a heavy price. 17/03/2019
Now playing Next World News Romanian protest leader builds a one metre "motorway" On Friday one businessman in the north-eastern city of Suceava staged his own symbolic protest - the local mayor officially opened a metre long "motorway" on his own land. 16/03/2019
Now playing Next USA 'A heartbreaking day': American Muslims defy fear to pray together after New Zealand attack "When we heard about this attack, it made us feel like we're not safe in our own mosques," said a religious leader in Minnesota. 15/03/2019
Now playing Next USA Pompeo says he remains hopeful about North Korea denuclearization talks "It's the administration's desire that we continue to have conversations," the secretary of state said. 15/03/2019
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Now playing Next USA Trump's signature campaign promise keeps hitting a wall First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter. 15/03/2019
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Now playing Next USA Israeli military strikes on Gaza after rocket attack on Tel Aviv The warplanes could be heard flying overhead in Gaza City, where smoke from the explosions could be seen in the distance. 15/03/2019
Now playing Next USA Netflix's secret viewership data isn't so secret anymore Looming competition, mounting pressure from entertainment industry players and tracking efforts from media measurement companies are pushing Netflix to open up. 14/03/2019
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Now playing Next No Comment Relatives mourn their loved ones at Ethiopian Airlines crash site Relatives have been wailing and beating their chests at the site of the Ethiopian Airlines crash as others picked through the rubble for any sign of the 157 people who died. 14/03/2019
Now playing Next Smart Regions Supercomputer supercharging innovation in the Czech Republic In partnership with the European Commission A supercomputing centre is helping Czech firms to accelerate innovation in areas ranging from custom-made medical prostheses to new train seats. 14/03/2019
Now playing Next Spain Spanish villagers 'receive envelopes of cash from mystery benefactor' Fifteen inhabitants have been receiving the envelopes, which have contained amounts ranging from €50 to €100. 14/03/2019
Now playing Next USA Is Beto O'Rourke for real? First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter. 14/03/2019
Now playing Next USA Trump vows to veto resolution terminating his national emergency declaration Hours before the crucial vote, the president tweeted, "The Southern Border is a National Security and Humanitarian Nightmare, but it can be easily fixed!" 14/03/2019