VICE News is closely tracking global environmental change.?Check out the Tipping Point blog here.?In an Earth Day speech delivered against the backdrop of the Florida Everglades, President Obama took a swipe at climate deniers and highlighted his administration's efforts to reign in greenhouse gas emissions. "Climate change can no longer be denied, it can't be edited out, it can't be omitted from the conversation," he said.?

Read More at www.news.vice.com