Axios

Former Secretary of State John Kerry is launching a coalition of high-profile names — including Arnold Schwarzenegger and Leonardo DiCaprio — aimed at building public support for tougher steps against global warming, the New York Times reports.

Why it matters: The unveiling of the "World War Zero" coalition comes ahead of a big U.N. climate summit that begins in Madrid, Spain next week. The group's name, per the NYT, is meant to emphasize national security risks posed by warming and the "wartime mobilization" needed to rein in emissions.

To learn what most presidential candidates care about, you have to ask them.

• But with Michael Bloomberg we can simply look to his philanthropies —which have given away some $8 billion — to get a good idea of his priorities.

40% more tourists are expected to flock to Antarctica this season compared to last year, AFP reports, citing data from the International Association of Antarctica Tour Operators.

Why it matters: Experts interviewed by the AFP believe that this increase in Antarctic tourism could pose a risk to the region, which is already contributing a growing amount to global sea level rise.