Drawdown

What “drawdown” means

The term has two related meanings:

1. Atmospheric drawdown — the climate-system event when atmospheric greenhouse-gas concentrations begin to decline (annual removal exceeds annual emission)
2. Project Drawdown — Paul Hawken’s organization and book series mapping solutions to that goal

Project Drawdown

Founded by Paul Hawken in 2014. The original Drawdown book (2017) and subsequent research identifies, quantifies, and ranks climate-mitigation solutions across:

• Energy — renewables, efficiency, storage, grid, nuclear
• Food and agriculture — diet, food waste, regenerative practices
• Land use — [[reforestation|forest restoration]], peatland protection, agroforestry, silvopasture
• Industry — refrigerant management, cement, steel, materials
• Transport — electric vehicles, shipping, aviation, public transit
• Buildings — efficiency, [[district-heating|district heating]], electrification
• Sinks — sequestration of various kinds

Each solution is quantified with:

• Total atmospheric CO₂e mitigation potential by 2050
• Net cost or savings over the period
• Co-benefits — health, livelihoods, biodiversity

Top-ranked solutions (2017 analysis)

The top 10 in the original 2017 analysis were:

1. Refrigerant management (HFCs)
2. Onshore wind turbines
3. Reduced food waste
4. Plant-rich diet
5. Tropical [[reforestation|forest restoration]]
6. Educating girls
7. Family planning
8. Solar farms
9. Silvopasture (see [[silvopasture]])
10. Rooftop solar

(Subsequent updates have refined this; refrigerant management remains very high; forest, food, and energy interventions consistently among the top.)

Methodology and updates

Drawdown’s methodology:

• Scenario-based — comparing reference and ambitious-deployment trajectories
• 2020-2050 timeframe — primary analysis window
• Source documentation — substantial transparent referencing
• Updates — The Drawdown Review (2020) updated the analysis; ongoing research continues

Critiques and limits

• Some solutions are scenario-dependent — performance varies with deployment context
• Carbon accounting is complex — debate about specific quantifications
• Refrigerants ranking — some critiques suggest the projection may overstate
• Land-availability constraints — large-scale [[reforestation|forest restoration]] competes with food and Indigenous land-use
• Equity considerations — some solutions prioritized in the framework may have problematic equity implications

Drawdown is a starting analytical framework, not a complete answer. But it provides one of the most-developed quantitative frameworks for thinking about which interventions matter most.

Why this matters

The Drawdown framework reframes climate from “the problem” (emissions) to “the answer” (specific interventions). For practical mitigation work, this matters: it lets advocates, policy-makers, businesses, and individuals identify high-leverage interventions and avoid wasting effort on low-leverage activity.

For 0mn1.one’s [[mission-district-sf|mission]], Drawdown is foundational quantitative reference for what regenerative practice actually achieves and how it compares to other intervention pathways.

See also

Auto-generated from this entry’s typed relations: frontmatter, grouped by relation type so the editorial signal isn’t flattened.

• Shares approach with: [[nature-based-solutions]] · [[carbon-sequestration]]

Sources

• Drawdown, Paul Hawken ed. (Penguin, 2017)
• The Drawdown Review, Project Drawdown (2020)
• Project Drawdown ongoing research publications (drawdown.org)

Rooted in life.