The climate that existed during the period before modern record-keeping. Paleoclimate can be measured with "natural thermometers" such as ice cores or tree rings.

A flood or storm that has a 1% probability of occurring in any given year. The 100-year flood zone is the extent of the area of a flood that has a 1% chance of occurring or being exceeded in a given y [..]

A medium emissions scenario in which greenhouse gas emissions increase, with reductions in the rate of increase in emissions after 2070.

A high emissions scenario assuming continued increases in greenhouse gas emissions.

Adjustment in natural or human systems to a new or changing environment that exploits beneficial opportunities or moderates negative effects. Related terms: adapt

Integrated scientific research that directly contributes to enabling adjustments in natural or human systems to a new or changing environment in a way that exploits beneficial opportunities or moderat [..]

The potential of a system to adjust to climate change (including climate variability and extremes) to moderate potential damages, take advantage of opportunities, and cope with the consequences.

A structured process of flexible decision-making that incorporates learning from outcomes and new scientific information. The process facilitates decision-making by resource managers to manage and res [..]

Aerosols are fine solid or liquid particles, caused by people or occurring naturally, that are suspended in the atmosphere. Aerosols can cause cooling by scattering incoming radiation or by affecting [..]

A sudden, rapid growth of algae in lakes and coastal oceans caused by a variety of factors including, for example, warmer surface waters or increased nutrient levels. Some algal blooms may be toxic or [..]