What is the carbon footprint? How to calculate it? What are the solutions to reduce it? How can we have an impact on positive climate change? The answers in this article.

Carbon Footprint: Definition and Calculation Method

Carbon positive is yet another a carbon emissions term like net zero to carbon neutral. Find out if it’s really positive for business, or just a number above zero.

What Does it Mean to be Carbon Positive?

The first step to reduce your carbon footprint is to measure it. Here, we compare the best carbon footprint calculators on the internet.

5 Best Carbon Footprint Calculators

After starting her career at Greenly in 2022, she started a joined PhD between the startup and CentraleSupélec to improve company sustainabilty performance ratings.

Marine Kohler

Marine has an engineering degree from the French school of CentraleSupélec and a masters in Industrial Management from DTU. After starting her career at Greenly in 2022, she started a joined PhD between the startup and CentraleSupélec to improve company sustainabilty performance ratings.

Kara joined the team at Greenly in 2023 as SEO copywriter for the UK market.

Kara Anderson - Greenly

Kara Anderson holds an undergraduate law degree and a master’s degree in international law from the University of Glasgow and the University of Aberdeen, specializing in human rights and EU law, where she developed strong research and writing skills. After working at Ernst & Young as part of their audit graduate scheme and gaining experience in analytics, she transitioned to advertising, working with major global brands like American Express and Dove.
In 2023, Kara joined Greenly as a writer, focusing on sustainability and climate-related topics for the UK market. Her work spans a wide range of environmental issues, including climate science, sustainable development, and climate policy. Collaborating with climate scientists, Kara has produced data-driven investigations into key climate challenges. With a passion for international politics, sustainable development, and climate change science, she continues to build her expertise in the field and is currently pursuing further training in journalism.

Laurent Levrey est expert en stratégie numérique et en croissance, avec une spécialisation dans le marketing et les médias.

Laurent Levrey

Laurent Levrey est expert en stratégie numérique et en croissance, avec une spécialisation dans le marketing et les médias. Actuellement Head of Growth chez Greenly, il pilote des initiatives alliant innovation technologique et transition écologique. Passionné par l’impact du digital sur les enjeux environnementaux, il explore les tensions entre développement technologique et durabilité à travers ses analyses et publications.

Ben Field, Climate Action Strategist at Patch

Quentin Bourhis, Climate Expert at Greenly

After seeking opportunities to put her various creative passions to good use, she joined Greenly in mid 2022 as SEO copywriter for the U.S. blog to provide her American perspective on the climate change issues we face today.

Stephanie Safdie - Greenly

Stephanie Safdie holds a bachelor's degree in English Language & Literature from the University of Maryland College Park, where she specialized in multimedia studies and media literacy to write engaging content made for the internet. She previously worked as a social media content video creator, freelance copywriter, and continues to write SEO generated content for her travel website. After seeking opportunities to put her various creative passions to good use, she joined Greenly in mid 2022 as SEO copywriter for the U.S. blog to provide her American perspective on the climate change issues we face today. Her work at Greenly covers a wide variety of topics, such as the impact of popular culture events on the environment, offering unique ideas for sustainable development, and breaking down new climate legislation in simple terms. As Stephanie is passionate about linking the bridge between the everyday activities we love to do (such as travel, concerts, fashion, food, etc.) and the effect it has on the environment, she is pursuing further training for more in-depth journalistic endeavors on the environment in the future.

Laura Schmitz joined Greenly as Marketing Development Representative in 2024.

Laura Schmitz

With a degree in digital marketing, Laura Schmitz has 10 years’ experience in tech and digital, working for companies specialising in the use of data for industry, people and the environment. Passionate about environmental issues, she has also worked as a communications volunteer for Biomimicry Switzerland. Her expertise combines technology and sustainability, enabling her to raise awreness on issues relating to the ecological transition and sustainable innovation.

Copywriter specializing in environment, climate change and ecological transition

Ines Gendre is a copywriter specializing in environmental issues. She joined Greenly's team in 2022.

Ines Gendre

Ines Gendre holds a master’s degree in marketing and began her career in the fast-moving consumer goods (FMCG) industry. After retraining, she joined Greenly in 2022 as a copywriter specializing in environmental issues. Ines brings her expertise to companies and individuals seeking to understand the challenges of climate change, the green transition, and their impact on society and the economy. Trained in key tools for developing climate strategies - such as Carbon Assessments, Life Cycle Analysis (LCA), and carbon offsetting - she studies earth and life sciences and climate change with the United Nations Institute for Training and Research (UNITAR) and the SDG Academy, and political philosophy at Oxford University in England.

Matthieu Vegreville

Matthieu is a 28 year-old graduate engineer from Ecole Polytechnique and Télecom Paris, with a background in data science at Withings. While there, he worked on watch activity detection algorithms, and developed a health study activity so that connected objects could be used to better monitor certain pathologies. He has long been involved in data science projects with his brother, who has the same training. Faced with the urgency of the climate crisis, he decided to put his know-how at the service of the environment. 

Arnaud Delubac

Arnaud, 26 years old, trained as a designer and in digital communication at INSEEC before joining the Master Entrepreunariat at ESSEC-CentraleSupélec. Passionate about social media since his teenage years, he has created some of the biggest Twitter communities in France before joining the digital communication team of the Prime Minister’s office in Matignon. It was at the Secretaries of State for Digital, Mounir Mahjoubi and Cédric O, where Arnaud directly managed the team, that he developed a strong conviction for the need to use technology to bring awareness to the greatest causes of our time.

Alexis Normand

Alexis is a 37 year-old graduate of HEC and Sciences-Po. After his studies, he spent 2 years working in public policy consulting. He then spent 6 years at Withings, a leading company in connected objects. While there, he continued the companies operations in Boston, USA, and created the company’s health department. After the company was bought by Nokia, he joined the startup Embleema by working through Techstars, one of the best startup incubators in the United States, where he developed a taste for entrepreneurship. His return to France was an opportunity to put all his experience at the service of the environment, during a crucial moment in the climate crisis.

Justine Dumont

Justine a toujours été passionnée de lecture et d’écriture. En 2019, elle parvient justement à faire de sa passion son métier, en devenant rédactrice web indépendante. Motivée par ses engagements écologiques, elle rejoint l’équipe de Greenly en 2022 afin de mettre ses compétences au service de la cause environnementale. 

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The Activity Based Method serves as one of the methods used to calculate emissions in carbon accounting.

Activity Based Method - definition

Join more than 800 companies committed to 

The Activity Based Method serves as the second main method used to calculate emissions in carbon accounting, and is more precise than the spend-based method. This is because the Activity based allows for more specific calculations.

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"Greenly’s onboarding and dedicated climate expert support was outstanding. Their guidance throughout the process made a huge difference, and now, having gone through this for three years, I feel confident about managing emissions tracking independently moving forward."

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Greenly’s onboarding and dedicated climate expert support was outstanding. Their guidance throughout the process made a huge difference, and now, having gone through this for three years, I feel confident about managing emissions tracking independently moving forward.

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Our commitment to sustainability is about more than compliance - it's about creating value for our clients, our team, and our planet. Greenly has been an exceptional partner, helping us transform challenges into opportunities for growth and impact.

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Greenly comes with with a friendly and intuitive interface making it easy for a user to customize it to suite a desired workflow. In addition, Greenly suggests a detailed information on the energy usage for a company, and offers recommendation to a company on how to reduce carbon footprint sustainably.

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What does "Activity Based Method" mean ?

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Carbon Footprint: Definition and Calculation Method

What Does it Mean to be Carbon Positive?

5 Best Carbon Footprint Calculators

Join more than 800 companies committed to climate change