Search our glossary for commonly used sustainability and ESG concepts, terms and definitions.

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There are currently 2 entries in this directory beginning with the letter K.
K

Keeling Curve
The Keeling Curve, named after Charles Keeling a researcher at the California Institute of Technology, who developed an accurate methodology to measure CO2 and began daily measurement in 1958, is a daily record of global atmospheric carbon dioxide concentration. It measures the atmospheric concentration of CO2 in parts per million or PPM. The keeling curve is maintained by Scripps Institution of Oceanography at UC San Diego.

Source: The Keeling Curve; How Charles Keeling Measured the Rise of Carbon Dioxide.

Kunming-Montreal GBF
A Global Biodiversity Framework agreed in December 2022 which aims to transform our societies\' relationship with biodiversity by 2030 and to attain our shared vision of living in harmony with nature by 2050.

This framework consists of 4 long-term goals for 2050 and 23 targets for 2030 that include:


1. Ensuring at least 30% of global lands and seas are conserved and equitably managed.


2. Halting extinction of known threatened species and taking action to recover and conserve species.


3. Reducing pollution risks and the negative impact of pollution. Eliminating plastic pollution.


4. Halving global food waste and significantly reducing consumption and waste generation.


5. Taking an ecosystems-based approaches to contribute to climate change mitigation and adaptation.


6. Redirecting, repurposing, reforming or eliminating incentives harmful for biodiversity in a just and equitable way.


7. Mobilising at least US$ 200 billion per year from public and private sources for biodiversity.


8. Ensuring large and transnational companies and financial institutions monitor, assess and transparently disclose their risks, dependencies and impacts on biodiversity.


Source: COP 15: Nations Adopt Four Goals, 23 Targets for 2030 in Landmark UN Biodiversity Agreement