Modeling the U.S. energy system demonstrates several pathways to net-zero CO2 emissions by 2050. The pathway with the lowest cost, 0.2–1.2% of GDP, relies on >80% contribution of renewables.
carbon emissions
Posted inNews
Experimentos Revelan Cómo el Carbono del Permafrost se Convierte en Dióxido de Carbono
Muestras de campo provenientes de Alaska muestran cómo la luz solar y el hierro convierten el carbono del permafrost en dióxido de carbono. Los modelos climáticos ignoran este proceso.
Posted inNews
The Debate over the United Nations’ Energy Emissions Projections
A new study finds the economic factor driving the divergence between emissions trajectories in climate assessments and reality.
Posted inResearch Spotlights
Drivers of Upper Atmosphere Climate Change
New research confirms the influence of carbon dioxide on long-term temperature trends in the upper atmosphere, but changes in Earth’s magnetic field also play a key role.
Posted inNews
Europe Targets 100 Climate-Neutral Cities by 2030
Europe is launching an ambitious mission to decarbonize many of its urban areas within a decade. But is it realistic?
Posted inEditors' Highlights
Comparing Impacts of CO2 and Particle Emission Reductions
Black carbon contained in airborne particles is often cited as a major factor warming the climate, but how much can California reduce climate change through reducing airborne particle concentrations?
Posted inFeatures
Greening the Friendly Skies
Decarbonizing the aviation industry won’t be easy. The coronavirus pandemic complicates the situation but also presents an opportunity.
Posted inNews
Global North Is Responsible for 92% of Excess Emissions
The United States and European Union bear disproportionate liability for emitting to the atmospheric commons, new research argues.
Posted inNews
Using Dirt to Clean Up Construction
The construction industry is one of the world’s largest emitters of carbon dioxide. Whether it can reduce those emissions depends on replacing its most common building material.
Posted inEditors' Highlights
Committed U.S. Power Emissions Incompatible with Paris Agreement
Without a significant reduction in usage, committed emissions from coal and gas plants in the United States are already incompatible with the country’s pledges under the Paris climate agreement.