Skip to content

Evidence library

Joaquimma Anna

Research, explainers and solution analysis for understanding change across a living planet.

412 resources
Tipping Points

Why Ecosystems Can Change Suddenly

Ecosystems can shift abruptly from one stable state to another when internal feedbacks and external pressures push them past critical thresholds, often with lasting…

7 min read
Human Health

Solastalgia: Distress Caused by Environmental Change

The 2005 conceptual study by Glenn Albrecht introduced the term 'solastalgia' to describe the distress people experience when their home environment is negatively transformed,…

5 min read
Nature‑Based Solutions

Urban Trees: Cooling Benefits and Water Trade-Offs

Urban trees mitigate heat islands through shading and evapotranspiration, but require significant water, especially in dry climates. The solution is promising yet context-dependent, demanding…

7 min read
Climate Change

What Does Net Zero Actually Mean?

Net zero refers to achieving a balance between the amount of greenhouse gases emitted into the atmosphere and the amount removed. It is a…

7 min read
Oceans

Ocean Dead Zones: Causes, Impacts and Solutions

Ocean dead zones are hypoxic areas where marine life cannot survive, caused primarily by nutrient pollution from agriculture and sewage. They disrupt ecosystems, harm…

7 min read
Climate Change

How Phytoplankton Influence Earth’s Climate

Phytoplankton are microscopic marine organisms that influence Earth’s climate by absorbing carbon dioxide during photosynthesis and releasing compounds that promote cloud formation. They produce…

7 min read
Oceans

How the Ocean Absorbs Heat From the Atmosphere

The ocean absorbs the vast majority of excess heat trapped by greenhouse gases, acting as Earth’s primary heat sink. Through physical processes like solar…

8 min read
Business Transformation

Science-Based Targets Explained

Science-based targets are corporate greenhouse gas reduction goals aligned with the level of decarbonization required to meet the Paris Agreement’s aim of limiting global…

8 min read