Only the irresponsible trash their own home
Multiple processes in the ecosystem being started or accelerated by humans, along with natural processes, likely to compromise humanity's wellbeing.
Status-quo of the ecosystem:
Human meddling: sap the soil
Introduction of additional substances:
Localist skepticism: cannot be solved on a local level
Accelerating habitat destruction: human included
Sentimental losses: animal killing, ugly planet
General technologist impact: activism