Planetary boundaries Flashcards
1
Q
What are planetary boundaries
A
Framework describing limits to impact of human activities on Earth, beyond which it can’t self regulate as systems not resilient enough. 9
2
Q
Crossed
A
Novel entities, climate change, biosphere integrity, land-system change, freshwater change, biogeochemical flows. 6
3
Q
Uncrossed
A
Stratospheric ozone depletion, atmospheric aerosol loading, ocean acidification
4
Q
Great Barrier Reef work to maintain boundaries
A
Complete policy change only thing saving reef
5
Q
Sweden work to maintain boundaries
A
Wetlands no longer undesirable, now an urban C sink
6
Q
Latin America work to maintain boundaries
A
60s plough based farming destroyed land, now agricultural revolution with no-till farming
