Read the excerpt from "climate change: an overview.” today, ninety-seven percent of climate experts agree that humans are causing climate change. no scientific body of international or national standing dissents from this view. (a few maintain a non-committal position.) that is not to say that the research is universally accepted. as long as scientists have been positing that human emissions of greenhouse gases are heating up the planet, others have denied their arguments. the statistic in this excerpt supports the idea that

The statistic in this excerpt supports the idea that humans are not the only one responsible for climate change.  There is a counter position about the exclusive responsibility of the human being towards this.  

According  to the excerpt, no scientific body that is considered serious in their investigations, can accept the responsibility from other factors than the human emissions of greenhouse gases.

A report written in the New York Times statrs that

…”The global, long-term warming trend is “unambiguous,” it says, and there is “no convincing alternative explanation” that anything other than humans — the cars we drive, the power plants we operate, the forests we destroy — are to blame….”

…”Scientists said the report’s findings were clear.

“This new report simply confirms what we already knew. Human-caused climate change isn’t just a theory, it’s reality,”…

This means that, there is not a doubt that humans are the responsible for the global warming and its negative effect over the earth.

every person should make it a priority to serve at least two hours per week.

it's an extremely important civic responsibility that is invaluable to citizens most in need is the correct one

b and d

explanation: