# Legally Green California Enacts 'Calgreen,' the Country's First Statewide Green Building Code By Katie Cordrey | Published 2010-01-23 | Eco Source: Trend Hunter, https://www.trendhunter.com/trends/calgreen References: [projectgroundswell](http://projectgroundswell.com/2010/01/27/calgreen-californias-new-green-building-code/) & [examiner](http://www.examiner.com/green-building-in-los-angeles/calgreen-building-code-effect-as-of-january-1st) Calgreen is the name given to California’s new mandatory building code regulations. A number of measures including water usage and monitoring, [recycling construction materials](https://www.trendhunter.com/trends/comprehensive-recycling) and HVAC compliance will ensure that greenhouse gas emissions will be reduced 33% by the year 2020. California has a long history of leading the way in innovation and social change. By mandating compliance with new [green building codes](https://www.trendhunter.com/trends/fire-code-compliance), through the Calgreen regulations, California will remove three million metric tons of emissions from the air by 2020. Incentives are also in place to encourage even [greener construction](https://www.trendhunter.com/trends/rewild-homes) on a voluntary basis. ## Trend Insights (Trend Hunter) - Score: 3.4/10 - Popularity: 33% | Activity: 60% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial - Top markets: North America, Europe ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Eco](https://www.trendhunter.com/eco) ## Key Themes ### What Makes This Trend Stand Out - **Green Building Codes:** The implementation of green building codes, such as Calgreen in California, presents an opportunity for businesses to develop innovative sustainable building technologies. - **Reduction of Greenhouse Gas Emissions:** Efforts to reduce greenhouse gas emissions, as seen in Calgreen regulations, create opportunities for businesses to develop and offer eco-friendly products and services. - **Voluntary Green Construction:** The push for voluntary green construction, complementing mandatory codes like Calgreen, presents an opportunity for businesses to differentiate themselves by adopting sustainable practices. ### Sectors Adopting This - **Construction Industry:** The construction industry has the opportunity to leverage green building codes like Calgreen to adopt sustainable construction practices and offer eco-friendly buildings. - **Renewable Energy Industry:** The renewable energy industry can benefit from the reduction of greenhouse gas emissions through the adoption of green building codes, as it increases the demand for clean energy solutions. - **Sustainable Technology Industry:** The sustainable technology industry has the opportunity to provide innovative solutions and technologies that comply with green building codes like Calgreen, fostering sustainable and eco-friendly development. ## Related on Trend Hunter - [Climate-Managing Greenhouse Concepts](https://www.trendhunter.com/trends/livable-greenhouse.md) - [Certified Carbon-Neutral Toys](https://www.trendhunter.com/trends/mega-bloks-green-town.md) - [Minimal Environmental Footprint Hotels](https://www.trendhunter.com/trends/shorebreak-hotel.md) - [Cost-Effective Carbon Calculators](https://www.trendhunter.com/trends/ship-green.md) - [Carbon Footprint Trackers](https://www.trendhunter.com/trends/carbongauge.md) - [Cob Building Revivals](https://www.trendhunter.com/trends/cobbauge-house.md) - [GHG-Reducing Hotels](https://www.trendhunter.com/trends/choice-hotels.md) - [Fire Code Compliance Initiatives](https://www.trendhunter.com/trends/fire-code-compliance.md) - [Eco-Friendly Pub Guides](https://www.trendhunter.com/trends/green-pub-guide.md)