US Secretary of State John Kerry sets out on a European tour, stopping in Paris for a week for a UN climate summit, before heading to a NATO meet and traveling across the continent, France 24 reported on Wednesday.

Kerry will be joining US President Barack Obama at the 12-day, 195-nation UN climate forum.

World powers are negotiating a universal pact to cap global warming at two degrees Celsius (3.6 degrees Fahrenheit) above mid-19th century levels, and lock in financial support for poor and vulnerable countries most exposed to rising seas, superstorms and crippling drought.

Kerry is a long-time supporter of a global agreement aimed at reducing greenhouse gas emissions.

The State Department said he will then head to Brussels on December 1 for a NATO foreign ministers' meeting, where the Syrian and Ukrainian crises are sure to be on the agenda.