A new study has found that broadleaf trees are less sensitive to global warming than previously thought. The study, published in the journal Nature Climate Change, found that broadleaf trees in the northern hemisphere have increased their growth by an average of 25% since 1900, even as temperatures have risen.

This increase in growth is due to a number of factors, including increased carbon dioxide levels, nitrogen deposition, and longer growing seasons. These factors have outweighed the negative effects of rising temperatures, such as heat stress and drought.

The study's findings are good news for the fight against climate change, as broadleaf trees play an important role in absorbing carbon dioxide from the atmosphere. However, the study's authors caution that broadleaf trees may not be able to continue to grow at the same rate in the future, as the negative effects of rising temperatures are likely to become more pronounced.

The study was conducted by researchers from the University of Leeds in the United Kingdom and the University of Helsinki in Finland. The researchers used data from over 100,000 tree-ring samples to track the growth of broadleaf trees in the northern hemisphere over the past 100 years.

The findings of the study are consistent with previous research that has found that broadleaf trees are more resilient to climate change than coniferous trees. Coniferous trees, such as pines and firs, have decreased their growth by an average of 10% since 1900, as they are more vulnerable to heat stress and drought.

The study's authors say that the findings highlight the importance of protecting broadleaf forests, as they play a vital role in mitigating the effects of climate change. Broadleaf forests store large amounts of carbon, and they also provide a habitat for a wide variety of plant and animal species.