Apex predators like sharks play an important role in regulating species dynamics in their marine ecosystems.
Areas where deforestation is 30% or more show carbon emissions 10 times higher than where deforestation is lower.
In the past, mountain forests were often spared as steep slopes and high elevations made deforestation more difficult.
As many 16% of coral species, which were previously common, have not been seen for many years around the island.
The vast quantities of plastic already in the environment could cause global problems.
Not even some pristine tropical isles are free from the scourge of abandonded fishing nets.