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Concentration of CO2 in the Atmosphere

Global Warming Acceleration

Global warming acceleration becomes evident by connecting global temperatures at La Nina minima.

Dr. James Hansen

Climate models indicate that an El Nino, probably a weak one, will begin this (Northern Hemisphere) winter and observations show that warming in the tropical Pacific has begun. Current global temperature (12-month running-mean) has thus reached its minimum […]

EIA Publicizes Drop in U.S. CO2 Emissions

But Is This Right?

George Harvey

A recent article from the Sun Day Campaign (SDC), which was posted at the Green Energy Times website (, asked some serious questions about data coming from the U.S. Department of Energy’s Energy Information Administration (EIA). Specifically, it looked at possible contradictions, not in terms of numbers […]

ACEEE partners with Bloomberg’s American Cities Climate Challenge

Image: Charlotte, NC skyline. Image: Flickr

Kate Tanabe, ACEEE Research Assistant, Local Policy

Michael R. Bloomberg recently announced Charlotte as the nineteenth winning city of Bloomberg’s American Cities Climate Challenge, of which ACEEE is an official partner.

“With Washington asleep at the wheel, cities like Charlotte are leading the way in […]

Climate Change in a Nutshell: The Gathering Storm

Note how closely the temperatures follow carbon dioxide levels in the atmosphere.

James Hansen

Young people today confront an imminent gathering storm. They have at their command considerable determination, a dog-eared copy of our beleaguered Constitution, and rigorously developed science. The Court must decide if that is enough.

That is […]

Looking Back – Looking Ahead

Rising sea levels. Image: the

By Dr. Alan K. Betts

This is the time to look back on 2018 and reflect on what we have seen, and what we have learned. At the same time, the climate endgame is getting closer, so we must face reality. As greenhouse gases reduce […]

How and When to Talk to a Child about Climate Change

The Climate Reality Project

Even as an adult, climate change is a lot to wrap your head around. And talking about the issue with kids? That can feel impossible.

But kids today will face the challenges of a warming world head-on. They have a right to understand the realities of the climate crisis and what […]

Arctic’s 2nd-Warmest Year Puts Wildlife, Coastal Communities Under Pressure

Arctic temperatures are rising about twice as fast as the global average. The past five years (2014-2018) have exceeded the region’s previous temperature records. Credit: Mark Peterson/Corbis via Getty Images

The 2018 Arctic Report Card also shows sea ice reached its second-lowest extent on record, creating more challenges for coastal people and ecosystems. By […]

At the VECAN Conference: an Afternoon Workshop

Transportation Efficiency & Electrification New Tools, Programs and Funds

Kia Niro EV

This workshop will be presented by Dave Roberts of Drive Electric Vermont and Ross MacDonald of Go! Vermont.

There is much buzz about leveraging the state’s VW settlement funds to expand electric vehicle (EV) charging infrastructure and buses. Paired together with Go! […]

At the VECAN Conference: a Morning Workshop

Municipal Solar: Opportunities and Challenges

SunGen Sharon Solar Farm in Sharon (Wikimedia Commons)

This workshop will be presented by Olivia Campbell Andersen of Renewable Energy Vermont, Chad Farrell of Encore Renewable Energy, and Geoff Urbanik of the Town of Colchester.

Municipal solar energy is an important cost- and carbon-saving option for many municipalities. This […]

At the VECAN Conference: a Morning Workshop

Land Use, Transportation, and Housing for Low Carbon Communities

Solar-Power-at-Scott-Farm-in-Dummerston, Vermont. Wikimedia Commons.

This workshop will be given by Kate McCarthy of the Vermont Natural Resources Council, Deb Sachs of EcoStrategies, and Eileen Peltier of Downstreet Housing

Smart growth approaches to land use are a cornerstone to decarbonizing our communities. At the center of […]