Related Experiment Video
Updated: Jul 19, 2026

05:26
A Venturi Effect Can Help Cure Our Trees
Published on: October 1, 2013
Economic incentives for rain forest conservation across scales
C Kremen1, J O Niles, M G Dalton
1Center for Conservation Biology, Department of Biological Sciences, Stanford University, Stanford, CA 94305, USA. ckremen@stanford.edu
Summary
Conserving tropical forests is crucial for reducing greenhouse gas emissions. However, economic factors, like logging revenues, can outweigh conservation benefits nationally, potentially worsening deforestation.
Area of Science:
- Environmental Science
- Climate Change Mitigation
- Forestry Economics
Background:
- Tropical deforestation contributes significantly to global greenhouse gas emissions (20-30%).
- Forest conservation offers a potential mechanism for climate change mitigation.
- The economic viability of conservation hinges on opportunity costs compared to alternative land uses.
Purpose of the Study:
- To estimate the cost-effectiveness of forest conservation for climate change mitigation.
- To analyze economic trade-offs between conservation, logging, and agriculture in Madagascar.
- To explore policy mechanisms for overcoming economic barriers to tropical forest conservation.
Main Methods:
- Economic analysis of opportunity costs from local, national, and global perspectives.
- Case study utilizing data from Madagascar.
- Comparison of financial benefits across different land-use scenarios (conservation, logging, agriculture).
Main Results:
- Forest conservation yielded greater economic benefits than logging and agriculture at local and global scales.
- Nationally, industrial logging presented higher financial returns than conservation in the Madagascar case study.
- Discrepancies in economic signals across different scales can incentivize deforestation.
Conclusions:
- Differing economic incentives across scales pose a challenge to tropical forest conservation.
- The Kyoto Protocol's potential to create markets for forest protection could address these economic barriers.
- International climate policy may be essential for promoting effective forest conservation and climate change mitigation.
Related Concept Videos
Threats to Biodiversity
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
Adaptations that Reduce Water Loss
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
Responses to Drought and Flooding
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
Conservation of Declining Populations
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.

