O ne or M any ?

O ne or M any ? We have, so far, looked at the way governments have reacted at the international level to the challenge of environmental degradation. But some of the most significant responses to this challenge have come not from the governments but rather from groups of environ- mentally conscious volunteers working in different parts of the world. Some of them work at the international level, but most of them work at the local level. These environmental movements are amongst the most vibrant, diverse, and powerful social movements across the globe today. It is within social movements that new forms of political action are born or reinvented. These