His session allowed him to talk about how human climate change in national parks is melting glaciers, raising sea level, killing trees, and causing other impacts. (aaas.org)
But finding a statistically robust link between such disasters and the building human climate influence remains a daunting task. (dotearth.blogs.nytimes.com)
Scientists use climate computer models to compare these observed changes with natural climate drivers and human climate drivers. (ucsusa.org)