Pros: There is plenty of it, its a renewable resource, and it doesn't destroy the environment.

Cons: Harnessing the power of it is difficult, it can cost a lot of money, and it requires further research.

There are only cons as of now. It is affecting our monsoon.

The shortest, or interannual, time scale relates to natural variations that are perceived as years of unusual weathere.g., excessive heat, drought, or storminess. Such changes are so common in many regions that any given year is about as likely to be considered as exceptional as typical. The best example of the influence of the oceans on interannual climate anomalies is the occurrence of El Nio conditions in the eastern Pacific Ocean at irregular intervals of about 310 years. The stronger El Nio episodes of enhanced ocean temperatures (28 C above
normal) are typically accompanied by altered weather patterns around the globe, such as droughts in Australia, northeastern Brazil, and the highlands of southern Peru, excessive summer rainfall along the coast of Ecuador and northern Peru, severe winter storminess along the coast of central Chile, and unusual winter weather along the west coast of North America.
The effects of El Nio have been documented in Peru since the Spanish conquest i ...more

Its related to monsoon dear