GLOBAL WARMING

This topic is an assignment from my cram school. I searched every web, and completed my lessons.


The "global warming" is a signification of "climate change". It is a phenology, but "global warming" generally implies human influence. Relative to several years ago, global temperature on both land and sea have increased. Later, land and sea temperature have lost the equalization point. Lands have increased about twice as fast as seas. The world temperature isn't any more stability.

Carbon dioxide have rapid risen since Industrial Revolution. Scientific consensus identifies greenhouse gases as the primary cause of the warming. Greenhouse gases create a natural greenhouse effect on Earth, and Earth is uninhabitable.

Some scientists believe global warming could rise sea level by almost a metre in 2100. Such as the effect like higher temperature, rising sea levels, and weather changes. The influence of global warming is not only human activities but also ecosystems. Even the ocean pH is lowering as a result of increased carbon dioxide levels.

The are five categories of actions that can be taken to mitigate global warming:
1. Reduction of energy use
2. Shifting from carbon-based fossil fuels to alternative energy sources
3. Carbon capture and storage
4. Carbon sequestration
5. Planetary engineering to cool the earth