WSL News Forest trees also take up nanoplastics A WSL laboratory study has found that forest trees absorb tiny pieces of plastic. This could have implications for forest ecosystems. What are the impacts of climate change in Switzerland? In the NCCS-Impacts programme, the implications are being investigated across sectors. The public call for projects will follow in the summer of 2022. Forest pests thrive because of global warming A new study reveals that exposure to drought determines to what extent a tree will resist attack by pests. Spring budburst as an indicator for climate change A research team led by WSL has compiled the world's most important findings on the leaf-out and blooming of trees.