Higher electricity usage in NYC homes reflects the “new normal,” and raises concerns about winter energy costs.

And what we can learn from its success.

Last week, Canada hosted the world’s first climate change summit for urban leaders. It looks like it will have a lasting impact on how we think about and take action on climate change.

Columbia University, New York State, and others will host the former Federal Advisory Committee for the National Climate Assessment.

Charging drivers more could provide much-needed funding for public transit, while reducing traffic and making Manhattan a better place to live and work.

“It costs 20,000 liters of water to produce one kilogram of cotton, which is just enough to produce a pair of jeans,” observed Guo—a stark measure of the importance of incorporating sustainability into fashion enterprises.

The Earth Institute digs into the past, tracks the present and models the future of climate. We explore the broader issues surrounding climate change, seek ways to apply our knowledge to real solutions, and nurture collaboration among faculty and researchers in the natural sciences, social sciences and humanities, law, public health, engineering, architecture and urban planning.