Speaking to the Mail & Guardian at a conference on climate change, Inger Andersen says people need to demand their leaders put effective measures in place
		
	 
	
		
		Treaties and diplomacy are key to curbing climate turmoil
		
	 
	
		
		In what is being called a ”green gold-rush,” global investment in renewable energy surged about 60% to -billion in 2007, a UN agency said.