Climate warming is considered to be among the most serious of anthropogenic stresses to
the environment, because it not only has direct effects on biodiversity, but it also exacerbates …

Executive summary The Lancet Countdown is an international collaboration that
independently monitors the health consequences of a changing climate. Publishing …

Climate tipping points occur when change in a part of the climate system becomes self-
perpetuating beyond a warming threshold, leading to substantial Earth system impacts …

Climate change is causing an increase in the frequency and intensity of marine heatwaves
(MHWs) and mass mortality events (MMEs) of marine organisms are one of their main …

Quantifying rates of climate change in mountain regions is of considerable interest, not least
because mountains are viewed as climate “hotspots” where change can anticipate or …

The COVID-19 pandemic has exposed an interconnected and tightly coupled globalized
world in rapid change. This article sets the scientific stage for understanding and responding …

Glaciers distinct from the Greenland and Antarctic ice sheets are shrinking rapidly, altering
regional hydrology, raising global sea level and elevating natural hazards. Yet, owing to the …

Global trends in the occurrence, toxicity and risk posed by harmful algal blooms to natural
systems, human health and coastal economies are poorly constrained, but are widely …

RESULTS: We identify nine global “core” tipping elements which contribute substantially to
Earth system functioning and seven regional “impact” tipping elements which contribute …

More than a decade ago, climate scientists and energy modellers made a choice about how
to describe the effects of emissions on Earth's future climate. That choice has had …