What are challenges associated with defining a planetary boundary for novel entities? Select ALL that apply.

Question

What are challenges associated with defining a planetary boundary for novel entities?  Select  ALL  that apply.

Accepted Answer

There is a large range of chemicals with different impacts of Earth system processes.

Answer

Impacts are limited to local and regional ecosystems.

Answer

Global monitoring of these chemicals is widely available.

Answer

Lack of historical baseline for these entities to track anthropogenic changes.

Crowdly