To meet the long-term goals of the Paris Agreement on climate change—keeping global warming well below 2°C and ideally capping it at 1.5°C—humanity will ultimately need to achieve net zero emissions of greenhouse gases (GHGs) into the atmosphere. To date emissions reduction efforts have largely...

To meet the world’s growing demand for energy amid efforts to stabilize the global climate will require the deployment of low‑carbon energy sources on a massive scale. But mobilizing the financial resources, technological advances, public opinion and political resolve needed to move toward net...

A'ndrea Elyse Messer

November 12, 2019

UNIVERSITY PARK, Pa. — Equilibrium climate sensitivity — how sensitive the Earth's climate is to changes in atmospheric carbon dioxide — may be underestimated in individual climate models, according to a team of climate scientists.

As the Paris Agreement nears the four-year mark and signatories prepare to account for progress to date on national pledges to reduce climate-warming greenhouse gas (GHG) emissions, it’s important to note that some countries have a much heavier lift than others. A case in point is Taiwan, where...