Climate Change & Anthropocene Extinction 20: Amazon tree transpiration crucial to keep rainforest wet

The individual trees in the Amazon rainforest play a crucial role in keeping the rainforest intact. Not just because the trees together create the forest, but also because – together – they create the climate (through something called the shallow … Continue reading

Climate Change & Anthropocene Extinction 19: Earth has 60,065 tree species, almost half threatened

When we think of the Holocene-Anthropocene Mass Extinction we may think of coral reefs, birds, amphibians and iconic mammal species – essentially following the IUCN Red List. But it really is time we started to take a closer look at … Continue reading

Alpine meadows and subalpine meadows – equally beautiful and equally threatened by decreasing snowcover

Do you like to go for a hike in the mountains on a sunny summer day? Do you then enjoy stepping out of the forest into one of those flowery meadows? In many cases this would not be an actual … Continue reading

Can medieval volcanic eruptions have caused global cooling when tree rings don’t show?

A group of researchers led by climatologist Michael E. Mann of the Earth System Science Center of Pennsylvania State University says the dendrochronological record does not always offer the best temperature reconstruction. Apparently some trees find it hard to distinguish … Continue reading

African trees dying due to climate change

The Sahel, one of the hottest regions on Earth ranging from the Atlantic coast south of the Sahara Desert to the Red Sea to the east and the Horn of Africa to the southeast, is getting drier and drier and … Continue reading

Trees in cities contain carbon – like anywhere else

Urbanisation increases the need to include city surfaces in assessments of the world’s carbon cycle. Already 4 percent of our planet’s land surface is urbanised and that percentage is likely to increase over decades to come. But although new research … Continue reading