1- railways -transportation

2- cultivation of oranges - citrus farming

3- troposphere- atmosphere

4- cotton growing- industrial crops

5- underpopulation- population

6- panama canal - sea routes

7- growth of NEWYORK- urbanisation

8- Uranuim - ores

9- coal production - mining

10- rainfall -climate

solar taxi

The green commute was part of Ban's efforts to raise awareness about climate change and to promote environmentally friendly technologies.This solar taxi is one of the alternate sources of energy can give some good messages to people around the world that we need to be creative,we need to be practical.

Kyoto protocol

The kyoto protocol was the first agreement between nations to mandate country by country reductions in greenhouse  gas emissions.
The purpose of the kyoto protocol is to make all countries accountable for the rise in dangerous greenhouse gas emissions that can potentially damage the environment and leave a lasting effect for future generations to come.