英语翻译1.pollution impact biological systems across many scales

英语翻译1.pollution impact biological systems across many scales — from the level of the individual organism,to populations,communities,and ecosystems .2.increasingly larger economies to support economic development and rising standards of living.3.The population story is more complex,however,because there is not a simple relationship between the number of people and the amount of resources consumed.4.China overtook the US in terms of overall CO2 emissions as a result of economic development,increasing personal wealth,and the demand for consumer goods,including automobiles.