Floods in deserts and melting glaciers! This is a strong indication of global climatic change which is not sudden. Human activities have just made it more prominent.
Global warming is being caused by the green house effect which is trapping of the sun's heat in the atmosphere by gases like CO2. Its effects are adverse. This has led to more frequent natural calamities, weather changes and increase in diseases. It is also affecting agriculture with early monsoons in India. Himalayan glaciers and arctic sea ice are melting. Soon one could go to the North Pole in a boat. The world needs to rethink of harmful effect on the environment.
