Human activities, such as the burning of fossil fuels and deforestation, release significant amounts of carbon dioxide into the atmosphere – disrupting the natural carbon cycle. In 2023, carbon pollution – as a result of human activity – reached a record 37.4 billion tonnes. With such record-breaking carbon emissions, it is getting harder for them to absorb atmospheric carbon.

The young oak "will benefit from the roots of the old tree and will be more resistant to threats", gardener Jana Kretschmer told AFP.

Climate impact on groundwater and solutions