The Asian Green City Index, conducted by the Economist Intelligence Unit and commissioned by the German company Siemens AG, examined the environmental performance of 22 Asian cities in eight categories, including energy, land use, transport, waste, water and air quality.
environmental awareness
Global Warming – A Threat To Humanity And Environment
Some thirty years ago, scientists had already alerted the world regarding the possible repercussions of global warming. It is the biggest threat to our civilization after the cold war.