Agence France-Presse: The world has a likely chance of meeting the UN`s warming limit of two degrees Celsius (3.6 degrees Fahrenheit) if it cuts annual greenhouse gas emissions 40-70 percent by 2050, especially from energy, a top expert panel said Sunday.
The longer it takes to switch from carbon-polluting fuels to cleaner energy sources, the harder and more expensive the target will become to reach, it said.
It warned that on present trends the planet will be 3.7-4.8 C warmer by 2100-a level scientists say could...