By Kelly MACNAMARA PARIS, Dec 5, 2023 (AFP) – The world may cross the crucial 1.5C global warming threshold in seven years as fossil fuel CO2 emissions continue to rise, scientists warned Tuesday, urging countries at the COP28 talks to “act now” on coal, oil and gas pollution. Battle lines are being drawn over the future of fossil fuels at the UN climate summit in Dubai, with big polluters trying to see off calls for […]