How much CO2 can the world emit and still avoid dangerous climate change? Carbon dioxide (CO2) from fossil fuels burning and land‐use change is accumulating in the atmosphere. Current levels are over 40% higher than in the pre‐industrial era and a continued increase of atmospheric CO2 will lead to further warming of the planet. In the Paris Agreement, countries set out to hold the increase in the global

Introduction A tsunami is a series of waves caused by the displacement of water. The displacement may result from ‘bottom‐up’ seabed movement, such as caused by earthquakes, landslides and volcanic eruptions or ‘top‐down’ movement, from pressure perturbations in the atmosphere. These ‘top‐down’ events are termed meteotsunamis. Meteotsunamis frequently occur in the Mediterranean, the Baltic Sea, the

Co‐hosted by the Grantham Institute, a Royal Meteorological Society meeting was held on 18 November 2019 to discuss climate change around the globe and the two recently released Intergovernmental Panel on Climate Change (IPCC) Special reports (SR) (IPCC, 2019a). The meeting's presentations and panel discussions covered the current state of knowledge on climate change and the options for action. Andy

Why is sea level rise important? Sea level rise increases the frequency and severity of storm surges and coastal flooding, causing serious damage to critical infrastructure and leading to the displacement of coastal communities around the world. Globally, more than 600 million people live in low‐lying coastal areas at less than 10m elevation, and the population of these regions is expected to exceed

The extreme conditions of the summer season in 2018 in England gave rise to comparisons with earlier drought events. Using the information provided by documentary records, such as chronicles, accounts and diaries, this paper investigates extreme summer droughts in the period 1200–1700, and their impacts under the conditions of natural climate variability and before the provision of modern infrastructure

The data from ocean temperature and salinity profiles are fundamental in our understanding of Earth’s climate system and particularly ocean heat storage‐, a key contributor to sea level rise. The main source of these profiles is now Argo floats, which in the twenty‐first century have become a central element in climate change monitoring and forecasting. The meeting From HMS Challenger to Argo and beyond