It's hard to believe that ninety-two years after the Scopes Monkey Trial (which debated teaching evolution in public schools), the integrity of the science community is in politically charged territory.
The reality of climate change, possibly the greatest concern of the 21st century, is challenged by those who refuse to accept findings that indicate that the world is warming.
There is an ongoing effort to refute that human activity has been a key driver in the "greenhouse effect."
For stakeholders in the fossil-fuel industry, facts pointing to human-produced climate change is an impediment to their agenda.
With greater fossil-fuel carbon in the air, more heat is returning to earth. Arctic sea ice is decreasing, oceans are rising, extreme weather is frequent, birds and other species are changing their behavioral patterns.
The new head of the EPA, Scott Pruitt, has maintained that the science of climate change is "far from settled."
What's a scientist to do, beyond present the facts?