Increased human activity is a factor that contributes to the vulnerability of forests to climate change. It is not a factor that contributes to the vulnerability of forests to climate change.

Increased carbon emissions is a consequence of the vulnerability of forests to climate change. It is not a consequence of the vulnerability of forests to climate change.

Increased logging is not a strategy for reducing the vulnerability of forests to climate change. It is a strategy for increasing the vulnerability of forests to climate change.

Tornadoes are not an extreme weather event that can affect forests. They are an extreme weather event that can affect other ecosystems, such as grasslands and urban areas.

Age diversity is not a factor that can increase the resilience of forests to climate change. It is a factor that can decrease the resilience of forests to climate change.