1. “Global warming” or “climate change” is probably real but less is known about the contribution of anthropogenic effects to the earth’s climate system than is led on by the current consensus opinion. Many of the currently accepted models of the earth’s climate are flawed and may overstate the effects of positive feedback loops. If CO2 emissions turns out to be a major cause of warming, it may still hold that there are better economic investments available to protect human health and our environment.
2. An obsession with CO2 emissions and “climate change” threatens to drown out other worthy environmental causes.
3. Hemp is a truly interesting plant but its utility lies primarily in smoking a mature female, not as a panacea for solving forestry and fiber product demand.