World urgently needs to quicken steps to reduce global warming -IMF

WASHINGTON (Reuters) - Countries around the world should urgently begin accelerating efforts to reduce greenhouse gas emissions, and the best way to do that is through implementation of carbon taxes and global cooperation, the International Monetary Fund said on Thursday."Global warming causes major damage to the global economy and the natural world and engenders risks of catastrophic and irreversible outcomes," the global lender said in a semi-annual report released ahead of the IMF and World..