More than 60% of mangroves have been lost within just two decades between 1996 and 2016, according to researchers.
The problem isn't just that many forests are being lost. It's also that many remaining forests are getting younger.
Plants in tropical forests are by nature resistant to heat, yet that resistance has its limits.
Larger ecosystem may be prone to sudden collapses once they have been pushed past a tipping point.
Tropical forests are losing their ability to absorb CO2 from manmade greenhouse gas emissions faster than expected.
Gold mining or chocolate making? Some indigenous tribes in the Amazon have made their choice.