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Marriott Sustainability Report: CO2 Intensity Drops 3.9%

The Marriott hotel group reduced its carbon intensity by 3.9 percent from 2010 to 2011, from 304.4 to 292.6 lbs of CO2 per square meter of facility, according to the company’s latest corporate sustainability report.

But in 2007 – the company’s baseline year – Marriott produced 287.7 lbs of CO2 per square meter, meaning that this metric has shown a net 1.7 percent increase since that time.

The company’s absolute carbon emissions fell 0.4 percent year-on-year, from 2.81 million tons of CO2 equivalent in 2010 to 2.80 million tons CO2e in 2011. This metric has jumped almost 30 percent since 2007, when the company emitted 2.16 million tons CO2e.

In October 2011, the company was one of a group of 12 hotel chains, including Hilt0n and Hyatt, that announced plans to create a single methodology for calculating carbon footprints and emissions.

By year-end 2011, Marriott had 20 sites with renewable energy either installed or in the process of being installed. This puts the company halfway to meeting its goal of having 40 sites that incorporate renewable energy by 2017. Marriott sites use solar and wind energy for elements of hotel operations.

The hotel chain has 50 electric vehicle charging stations at 25 properties. In 2011, three electric vehicles were added to its corporate headquarters’ maintenance and security fleet, the report says.

Marriott’s energy intensity fell 1.3 percent over the course of the 2011, from 335.4 to 331.2 kWh per square meter. Since 2007 this metric has fallen around 4 percent, from 345.2 kWh per square meter. The majority of the year-on-year reduction came from a 2 percent drop in purchased energy from 2010 to 2011.

The hotel chain says it was the first lodging company to join Constellation Energy’s demand response initiative Project Vulcan. The system integrates energy load curtailment during peak demand periods with automated energy management systems, enabling hotels to track electricity usage. During times of high energy demand, hotels may choose to, for example, lower lighting in common areas or reduce air conditioning in hallways or unoccupied rooms.

In 2011, Marriott had 264 of it 362 eligible Marriott-managed hotels in the program, up from 141 in 2010. Last year the project saved the chain 1.3 million kWh of energy and raised $1.2 million in demand response revenues.

In 2011, the hotel chain also installed LED lighting retrofits in a number of European and Asian hotels and its corporate headquarters in Bethesda, Md.

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One thought on “Marriott Sustainability Report: CO2 Intensity Drops 3.9%

  1. If Marriott would use our Cross Laminated Timber, CLT, technology and product we could make them likely carbon neutral and the only hotel brand whose structures and walls are huge CO2 sequestrators, in the tons and hurricane and earthquake proof and tornado resistant. Just contact us Marriott.

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