Data centres are expanding at breakneck speed, driving economic growth but also straining electricity grids, water supplies and climate commitments. Their energy consumption already rivals that of major economies and could double within the decade. Governments across the OECD are scrambling to respond, from Ireland’s moratorium on new connections to Germany’s efficiency mandates. Yet the regulatory landscape remains fragmented and reactive. This live tracker maps the evolving patchwork of policies shaping how countries balance digital growth with environmental sustainability.

From advertising watchdogs cracking down on cruise industry greenwashing to renewable energy breaking records across Europe, summer 2025 has been a season of accountability and breakthroughs. This edition highlights major legal wins, innovative business solutions, and unexpected discoveries about wildlife resilience. Let's explore this summer's positive climate stories.

One year in at Opportunity Green, Emma Fenton reflects on their journey as Senior Director for Climate Diplomacy, the milestones OG has achieved on the global stage, and what continues to drive their commitment to an equitable and ambitious climate transition.

One year in at Opportunity Green, Beatrice Oyadoke reflects on her growth, achievements, and what inspires her in her role as Operations Assistant.

What’s it like being a Multimedia Producer at Opportunity Green? Leona Kadijevic joined us one year ago and looks back on the last 12 months.

June brought plenty of progress on climate – from a new coalition to tax premium air travel, to a sharp decline in deforestation in Colombia. This month’s round-up features legal wins for ecosystems, new science on solar and soil and even a bonus story from our own office that shows how sustainability shapes even our creative work.

Our Senior Director of Climate Diplomacy, Emma Fenton attended the first of two weeks at this year’s Subsidiary Body meetings (SB62) in Bonn. After a week packed full of discussions, they reflect on the key themes that emerged.

UNFCCC, COP, subsidiary bodies… If you’re confused by all the acronyms and terms used in climate negotiations, use our glossary to help you navigate the increasingly complex environment of global climate change.

What’s it like being a People and Culture Manager at Opportunity Green? Zuzka Majcova joined us one year ago and looks back on the last 12 months.

From a landmark German court ruling opening the door to corporate climate accountability to China’s clean energy growth driving a fall in emissions, May brought plenty of positive changes. Let’s dive into this month’s positive climate stories!

The German courts may have dismissed a case brought in 2015 by Peruvian farmer, Saúl Luciano Lliuya, against energy giant, RWE, but this is still a win for climate law. Read our blog for a summary of the RWE climate case.

With so much happening day to day, Strategy Day is a rare opportunity to step back, reflect as a team, and think together about the future we’re building at OG.

In February, our Legal Officer, Dominika Leitane, represented Opportunity Green at the United Nations Office at Geneva during the UN Committee on Economic, Social and Cultural Rights’ periodic review of the UK. In this blog, she explains why OG took part, how the UN review process works and what the landmark outcome means for housing, the climate crisis and human rights.  

The IMO’s recently approved Net-Zero Framework has been hailed by some as a historical step forward. But behind the headlines lies a framework that falls short of delivering the just and equitable transition we need for the shipping industry.

From holding polluters to account through groundbreaking science, to clean energy milestones and stronger laws against greenwashing, plenty of progress has been made across sectors and borders. Even the oceans are offering some surprisingly good news, as offshore wind farms reveal unexpected benefits for marine life. Here's your round-up of April’s most encouraging climate stories.

Pollution from the shipping industry takes many forms: CO2 released from engines, plumes of black particulates billowing from exhausts, and wastewater poured overboard from scrubbers. Nitrogen, however, often slips under the radar. But what is shipping’s nitrogen pollution problem, and how can the International Maritime Organization and governments take action?

While headlines swirl with political tensions and economic uncertainty, March quietly delivered real progress on climate. Emissions hit record lows, cities reclaimed streets for people, and tens of thousands demanded true sustainability in EU finance. Let’s dive into this month’s positive climate news.

With International Maritime Organization (IMO) negotiations entering their final days, here’s some essential readings to get up to speed with latest development, and what’s at stake for the shipping industry and climate.

What’s it like being a Project Assistant at Opportunity Green? Aqila Indra joined us one year ago and looks back on the last 12 months and reflects on how she has grown and developed in her role during this time.

Since joining Opportunity Green a year ago as a Legal Manager, Kirsty has been key in the legal team’s work in the shipping sector and in kickstarting OG’s engagement in decarbonising steel production. Here she reflects on her first year in the role.