The world is catching up to Gary Braasch. "This was not a very well covered issue when I started six years ago," he says. The issue is global warming, and what Gary started was an ongoing project to document the results of climate change. His efforts have resulted in convincing images, among them a powerful series of before-and-after pictures that show, among other things, receding glaciers, rising sea levels and thawing areas of the Arctic. "Even for people who believed in global warming and understood how bad it was," Gary says, "the pictures were a compelling message that it was really happening, not in the future, but right now."