Part of Trump's anti-science agenda to block what his 5th grade mind cannot understand.

"Why some scientists are concerned a government climate change report won't be released" PBS NewsHour 8/8/2017

Excerpt

SUMMARY:  A draft climate change report is making headlines as scientists reportedly express concerns about how the Trump administration will respond.  The New York Times reported on key findings in the preliminary document, including that "evidence for a changing Climate abounds" and that human activities are primarily responsible for the changes.  Lisa Friedman of The New York Times joins Judy Woodruff.