how do we know that humans are responsible for the increase
how do we know that humans are responsible for the increase
how do we know that humans are responsible for the increase in carbon dioxide in the atmosphere? Could natural factors be the cause of the warming and could it be the part of a natural cycle? If Climate Change and/or Global Warming were true, what would the most environmentally friendly way to address the growing demand for energy? last, why do so many people deny the science behind Climate Change and why do the same people trust talk show hosts, politicians or lawyers over scientists?