Travel & Climate

The six tests we use to choose projects, what our 5.5 MW figure includes and the gaps we haven't closed, each sourced to a public page.

Green Key, EarthCheck, Green Globe, LEED, GSTC and 3 more hotel labels side by side, based on each program's own published rules.

A "1% of every purchase" pledge can cost more than a debit card earns. Where a platform's funding can come from, projects versus certificates, and what to report about the impact.

The UK government's 2026 hotel-stay factors are unchanged since 2022 and rest on 2019 hotel data. Four checks to run before a hotel figure goes in your inventory.

A restricted grant can cut a school's solar tax credit. How grants, loans, buy-downs and revolving funds compare for a company funding solar that someone else owns.

From September 27, 2026, EU rules ban unproven "eco-friendly" claims and offset-based "carbon neutral" ones. How to judge the green claims you see when you book.

A solar project that started construction after July 4, 2026 has to be running by the end of 2027 to earn the federal credit. How businesses pay for solar, and who gets the credit.

The UK government's flight factors come with and without a 1.7 multiplier on CO2, and Google's model leaves contrails out. The four choices behind every flight's number.

Most members hear community solar and picture a smaller electric bill. How to explain a program that funds solar for someone else, in wording that follows the FTC's Green Guides.

More than 30,000 hotels calculate a footprint per occupied room with the same free method. The questions to send your travel suppliers, and what a useful answer looks like.

Cheaper power for 25 years, a season of local construction work, and carbon kept off a coal-heavy grid. How one solar program reaches the people around it.

Whoever produced a provider's impact number had an interest in it being large. Six questions establish whether it holds, and none of them need a technical background.

Four inputs and two multiplications produce every impact number we publish. Here is the working, the assumptions it rests on, and what we do not claim.

Air carries about two and a half hours of overhead that rail does not. Measured door to door on three Northeast Corridor routes, that is what decides the mode.

Where Earth Day came from, why it still matters, and practical ways people and businesses can back clean energy the rest of the year.

Understand how companies collect verified emissions data from flights, hotels, rail, and ground travel to meet CSRD and Scope 3 requirements.

SBTi requires measuring business travel and commuting when Scope 3 is material. Learn how to calculate, report, and align with CSRD and GHG Protocol.

Ember's H1 2025 report: Solar and wind met 109% of demand growth as renewables overtook coal. China and India cut coal; US and EU increased it.

Step-by-step guide to cut travel emissions. Compare flights vs trains, find low-carbon hotels, and track your footprint with ICAO and Cornell data.

Cut business-travel emissions with SAF, carbon credits, and renewables. Learn SAF impact, book-and-claim, credit quality, and clean disclosure.

Compare business travel emissions tracking tools. Leading platforms, HR and expense integrations, audit standards, ESG metrics, and data quality.

See how U.S. and EU travel emissions rules affect 2025 reporting. We cover SEC rule status, CSRD scope for U.S. firms, and Scope 3 data needs.

The Dyme and TALF solar agreement is expected to save schools and hospitals up to $150M on electricity bills while cutting emissions.

Learn how to accurately calculate carbon emissions from business travel. Discover GHG Protocol methods for flights, hotels & ground transport.