Calls for action grow louder at Rio+20

The international community is trying to find answers to a set of unprecedented challenges at the Rio+20 conference in Brazil this week. Global warming, water scarcity, biodiversity loss feature among the environmental problems, while on the social front, it is the growing gap between rich and poor. All the while, the aftershocks of the global economic crisis are still reverberating around the world. On the eve of the conference, WRS’s Vincent Landon takes the pulse of the time: