More cards in this set

What are the four human factors encouraging the over-abstraction of surface water from rivers and ponds, and of groundwater from aquifers?

In the Sahel, why have crops, livestock and homes been deliberately destroyed?

What is grey water?

What is ecological resilience?

What percentage of Earth's lands is covered by wetlands?

What are the important functions of wetlands?

What is the impact of drought on wetlands?

What are the meteorological causes of flooding?

What is flash flooding?

What are the three major rivers in Bangladesh?