Times (UK): Investing in birth control to reduce population growth could be more effective in cutting greenhouse gas emissions than building wind turbines or nuclear power stations, according to a United Nations report. Taking action to prevent one billion births by 2050 would save as much carbon dioxide as constructing 2 million giant wind turbines. The UN Population Fund report predicts that the global population could reach 10.5 billion by 2050, up from 6.8 billion today, unless urgent action …