The years of steady painstaking research of Dr. Washington and his colleagues has led to the indispensable, and now virtually irrefutable, climate modeling on which the world relies.

When CDP released its first-ever global A List of cities this April, one trend stood out: 20% of the global A List were cities based in Northern California. This was despite massive climate and financial stressors in the region. So what is it about the region and these nine cities that make such widespread climate leadership possible?

The shipping industry is the backbone of the global economy. As such it needs to be a key part of the low carbon economy. CDP has examined the world's largest shipping firms to see who is leading the way.