upgr4de your sust4inability perform4nce.
Our services
Information
Research, newsletter, articles and our own analysis on regulation, reporting and AI applied to sustainability.
Training
Executive programmes with speakers from leading companies, online, in person or blended.
Consulting
Strategy, sustainable finance, double materiality, transition plans, reporting, carbon footprint, water footprint and more. AI with experts and artisans.
Assurance
Independent review of sustainability reports and data before external assurance. We do not work with consulting clients.
Our services
Information
Research, newsletter, articles and our own analysis on regulation, reporting and AI applied to sustainability.
Training
Executive programmes with speakers from leading companies, online, in person or blended.
Consulting
Strategy, sustainable finance, double materiality, transition plans, reporting, carbon footprint, water footprint and more. AI with experts and artisans.
Assurance
Independent review of sustainability reports and data before external assurance. We do not work with consulting clients.
News
Newsletter · COP31 Antalya
Marcio Viegas sums up the first two days of COP31 from Antalya: negotiations, electrification and the WWF report on the IBEX35.
Report · WWF Spain
Marcio Viegas assesses, as a researcher for WWF Spain, the transition plans of the 35 IBEX35 companies: 81/100 on compliance, 67/100 on ambition.
The report is in Spanish only. Our summary is available in English and Spanish.
Newsletter · Climate and negotiations
What we expect from a summit with two presidencies, with our probability table and the trends companies should watch.
Plus breaking news: the Democrats win the US Congress.
Newsletter · AI, economics and energy
How tokens work, what they cost and how much energy and emissions lie behind them. Uber used up its AI budget for the whole of 2026 in April.
With our own study: Spanish needs between 20% and 30% more tokens than English.
Our purpose
SUST4IN’s purpose is to drive and support our clients on their journey towards sustainability, with innovative solutions in information, training, consulting and assurance.
We believe sustainability is a huge opportunity for companies and for society as a whole: a better planet is also good business.
We are a network of expert professionals on sustainability.
SUST4IN supports:
