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New Tool Reveals Hidden Environmental Cost of Internet Use
Scientists have developed a tool that shows how everyday internet activity impacts nature, revealing surprising environmental costs behind routine website visits. The internet is responsible for 3.7 percent of global carbon emissions, surpassing air travel. If the internet were a country, it would rank as the fourth-largest polluter in the world.
The tool, called Digital Impact for Species, was created by climate experts at the University of Exeter in partnership with Madeby.studio. It allows users to enter any website URL and see its hidden environmental footprint, including CO2 emissions, energy use, and water consumption.
“When we visit a website, we rarely think about the environmental impact,” said Dr. Marcos Oliveira Jr, project lead for Exeter’s nature and climate impact team. “But there is a high cost, from the energy consumed as the information travels from the data centre to your device, to the water used to cool servers.”
The tool translates environmental metrics into relatable natural comparisons. For example, YouTube.com, which processes billions of searches each month, is rated C, indicating room for improvement. Each page view generates 0.249 grams of CO2, consumes 0.0011 litres of water, and uses 0.62 watt-hours of energy. For every 9,000 monthly visits, the site requires 10 litres of water—enough to sustain a capuchin monkey for 77 days. CO2 emissions from that traffic would take a single Amazon rainforest tree 41 days to absorb, while the energy used is equivalent to 1,000 Anna’s hummingbirds’ daily energy consumption for 332 days.
The tool calculates these impacts using Google PageSpeed Insights to measure the size of resources loaded on a page, such as images, text, and video. It also checks whether the site is hosted on servers powered by renewable energy or fossil fuels, and applies the Sustainable Web Design Model to convert technical data into ecological terms.
Researchers said the tool is intended to raise awareness rather than criticize specific websites. Dr. Oliveira Jr explained that it encourages discussion on how to create a more sustainable internet.
Experts suggest that website operators can reduce environmental impacts by simplifying pages, using fewer images, limiting fonts, avoiding unnecessary videos, and optimizing code. Hosting sites on renewable-energy servers also lowers the ecological footprint.
Consumers can contribute by minimizing unnecessary searches, but the responsibility largely lies with website hosts and developers. By making these changes, experts say it is possible to lower the internet’s environmental impact while maintaining accessibility and usability.
Digital Impact for Species is available online, offering a way for users to better understand the hidden cost of their digital habits and prompting both individuals and organizations to consider sustainability in online activity.
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France and Portugal Enact Landmark Treaty to Deepen Strategic Ties
A new chapter in relations between France and Portugal began on Sunday as a wide-ranging friendship treaty between the two countries officially entered into force, marking a significant step toward closer cooperation across multiple sectors.
The Treaty of Friendship and Cooperation, signed in Porto in February 2025 by Emmanuel Macron and Portuguese Prime Minister Luís Montenegro, is designed to strengthen bilateral ties and reinforce collaboration within Europe.
French officials have described relations with Lisbon as “excellent,” highlighting the agreement as part of a broader effort to build a more self-reliant and competitive Europe. In a message to Portugal’s newly elected president, António José Seguro, Macron pledged to ensure the treaty delivers tangible benefits for both nations.
The agreement covers a wide range of areas, including defence, energy, trade and education. Both countries have committed to enhancing cooperation between their armed forces and defence industries, with a focus on safeguarding critical infrastructure and countering hybrid threats, particularly in cyberspace.
Energy cooperation also features prominently. France and Portugal aim to improve interconnections across the Iberian Peninsula, an issue that gained urgency following a major blackout affecting Spain and Portugal in April 2025. Officials say better integration with European energy networks will help prevent future disruptions and support long-term resilience.
On the economic front, the treaty promotes stronger support for small and medium-sized enterprises and encourages joint efforts in developing a sustainable “blue economy” linked to the Atlantic Ocean. Trade ties between the two countries are already robust, with France ranking as Portugal’s third-largest trading partner in 2025.
Analysts point to growing investment flows in both directions. Portuguese businesses are increasingly establishing a presence in France, while French firms continue to expand operations in Portugal, reflecting deepening economic integration.
People-to-people links are another key pillar of the agreement. Around 1.7 million Portuguese nationals live in France, making them one of the largest foreign communities in the country. Meanwhile, tens of thousands of French citizens reside in Portugal.
The treaty also aims to boost educational cooperation, including teacher training and student exchanges. However, some observers have raised concerns about practical challenges, particularly a shortage of Portuguese language teachers in France, which could limit progress in this area.
Implementation of the agreement will be overseen through regular high-level meetings between the two governments, ensuring continued coordination and follow-up on agreed initiatives.
The pact forms part of a wider strategy by France to deepen bilateral ties across Europe, following similar agreements with Germany, Italy and Poland, as Paris seeks to strengthen partnerships within the European Union.
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