We assess evidence relevant to Earth's equilibrium climate sensitivity per doubling of
atmospheric CO2, characterized by an effective sensitivity S. This evidence includes …

Due to climate change, two-thirds of mankind will face water scarcity by 2025, while by 2050,
global food production must increase by at least 50% to feed 9 billion people. To overcome …

To constrain global warming, we must strongly curtail greenhouse gas emissions and
capture excess atmospheric carbon dioxide,. Regrowing natural forests is a prominent …

All species have an environmental niche, and despite technological advances, humans are
unlikely to be an exception. Here, we demonstrate that for millennia, human populations …

Buildings account for 40% of global energy consumption, while windows are the least
energy-efficient part of buildings. Conventional smart windows only regulate solar …

This urgent and eye-opening book makes the case that protecting humanity's future is the
central challenge of our time. If all goes well, human history is just beginning. Our species …

BACKGROUND Depression and anxiety disorders are together responsible for 8% of years
lived with disability globally. Contrary to widely held preconceptions, these are not diseases …

Wildfires, Global Climate Change, and Human Health Wildfires are increasingly common
and projected to worsen with climate change. Health consequences include burns and …

Background: Pollution–unwanted waste released to air, water, and land by human activity–is
the largest environmental cause of disease in the world today. It is responsible for an …

Aerosols interact with radiation and clouds. Substantial progress made over the past 40
years in observing, understanding, and modeling these processes helped quantify the …