Blog by Ulla Madsen, Soroptimist International Advocacy Advisor, Environment
World Environment Day 2026 will rally the world around the urgency of climate action
Theme: “Inspired by Nature. For Climate. For Our Future.”
The impacts of climate change are becoming increasingly visible. Rising sea levels, devastating wildfires, extreme heatwaves and melting glaciers all tell us the same thing: climate change is happening now. The 1.5 C limit that scientists warned us about is no longer a future concern; it is becoming our reality.
For many years, climate warnings were met with delays, excuses and denial. But there is also good news. Around the world, we are seeing real progress. Solar and wind energy are growing rapidly, cities are becoming greener and forests are being restored. These changes show that solutions are available and that we can make a difference.
On World Environment Day 2026, we are all encouraged to act #NowForClimate.
An important resolution was adopted on 20 May 2026.
The United Nations General Assembly has delivered a clear and historic message: tackling the climate crisis is not just a political choice; it is a legal duty under international law.
Following the advisory opinion of the International Court of Justice (ICJ), the General Assembly adopted a resolution calling on all Member States to prevent significant climate harm, honour their Paris Agreement commitments, and work together in good faith to protect lives, health and livelihoods.
The ICJ also stated that States failing to meet these obligations may be held legally responsible and could be required to stop harmful actions, prevent future violations, and provide reparations for damage caused.
Although ICJ advisory opinions are not legally binding, they carry significant legal and moral authority and help define States’ responsibilities under international law.
As UN Secretary-General António Guterres said: “The world’s highest court has spoken. Today, the General Assembly has answered.”
The implications here are clear: climate action is not only a moral imperative, but also a legal obligation.
We know that climate change does not affect everyone equally. Women and girls are often hit hardest because existing inequalities can limit their opportunities, resources and ability to respond. We know that 158 million women and girls could be pushed into poverty by climate change by 2050. That is why it is so important that governments take action to protect all citizens, especially women and girls, by moving away from greenhouse gas emissions and investing in clean energy solutions.
The European Union is showing that progress is possible. Since 1990, it has reduced greenhouse gas emissions by 40% and is working towards becoming climate neutral by 2050.
As Soroptimists, we already contribute through projects that support vulnerable women and girls in communities affected by climate challenges. Each of us can also make a difference in our daily lives. We can reduce food waste, save water, buy second-hand items, eat more plant-based meals, sort our waste carefully, choose electric vehicles when possible and help plant trees!
As we say in my country Denmark, “Many small streams make a big river.” Every action matters, and together our efforts can create significant change.
For more ideas on what you can do, visit the UN’s ActNow campaign.
Women are key to climate action – agents of change!
Important and hopeful key messages from UNEP:
Climate action works
By acting now, we can create healthier, safer, and more prosperous communities while preventing millions of deaths and avoiding enormous economic losses by 2050.
Solutions are already available
Reducing food waste improves food security. Sustainable buildings use less energy. Cutting methane emissions slows global warming. Forests capture carbon. Clean energy and electric transport are expanding faster than ever.
Nature is part of the solution
Healthy forests, wetlands, and ecosystems absorb carbon, protect water resources, and help communities cope with climate impacts. Restoring nature also creates jobs and strengthens local economies.
Cities can lead the way
Green spaces, parks, and sustainable infrastructure help cool cities, reduce flooding, and improve quality of life for everyone.
Climate action creates opportunities
Acting on climate change is not only about reducing risks. It also drives innovation, creates jobs, attracts investment, and builds stronger, more resilient societies.
#NowForClimate – get involved. Join the movement and be part of the solution.
