What is Environmental Engineering
keeping tabs = looking after the condition and making notes
dawn of civilisation = the beginnig of it
fossil fuels: coal, oil, gas
silicon = Si
concrete = building material that is made by mixing together cement, sand, small stones and water
payback period = the number of years required to recover the original cash investment
churn out = produce something quickly and in large amounts
emission = the production or sending out of light, heat, gas
holistically = on the whole
mind-blowing = very exciting, impressive or surprising
assess = make a judgement about the nature or quality of somebody/something
demolition = the act of pulling or knocking down a building
sustainability = the use of natural products and energy in a way that does not harm the environment
boil down to smth = make something, especially information, shorter by leaving out the parts that are not important
deforestation = enlarge imagethe act of cutting down or burning the trees in an area