The Yamuna is the largest tributary of the revered Ganges, but its polluted waters pose an increasing health hazard to the Indian capital..
The world risks losing new medical treatments for osteoporosis, cancer and other human ailments if it does not act quickly to conserve the planet's biodiversity...
The main theme of the rally was 'Save the Water, Save the Planet.'...
Reflections on Earth Day - April 2008....