Which are the three primary greenhouse gases?

Rachel Carson, an environmentalist, wrote a book in 1962 which was a best seller in the environmental genre. Which was that popular book?

When there is a discharge of sulfur dioxide into the atmosphere, it will cause ___

Name the country in Europe which uses its underground hot water current for heating their 85% of housing

Animals which rest at night and lively during the daytime are termed as ___

Name the major cause for ozone layer thinning or depletion?

When is World Environment Day?

The gas which has a major role in the Greenhouse Effect is ?

The water in its body is reused by which animal to retain its body moisture?