ON Saturday September 20, thousands will take to the streets of central London for the Make Them Pay demonstration: a mass mobilisation demanding that billionaires, big polluters and the super-rich foot the bill for the crises they have caused.

We’ll assemble from midday at Portland Place, with the march setting off at 1pm and making its way to Whitehall, where a rally with speakers and performers will run until 4pm. It will be a colourful, family-friendly, and powerful show of resistance, bringing together trade unionists, climate campaigners, migrant justice groups, faith communities and ordinary people from across the country.

This demonstration is part of a global day of action in the run-up to Cop30 in Brazil. From London to Lagos, Sao Paulo to Sydney, movements are uniting to demand climate justice, economic fairness and accountability from the elites who have profited from our pain.

The context could not be clearer. Last year, the wealth of British billionaires grew by an eye-watering £35 million every single day.

Meanwhile, millions of working people are struggling to afford food and energy bills, our NHS and schools are collapsing from underfunding, and climate disasters are hitting communities at home and abroad. This is not an accident. It is the direct result of a system designed to protect the interests of the rich at the expense of the many.

For decades, polluting corporations and fossil fuel giants have known the damage they were causing to our planet. Instead of acting, they doubled down on extraction and exploitation — raking in record profits while communities from the Niger delta to northern England live with poisoned water, dirty air and destroyed livelihoods.

At the same time, successive governments have chosen to balance the books on the backs of the poorest, while giving tax breaks to billionaires and looking the other way as inequality spirals out of control.

That’s why on September 20, we will be marching with three clear demands.

First, tax the super-rich. It’s time to stop the hoarding of obscene wealth by a tiny elite and use it to fund the services we all depend on, from the NHS and schools to affordable housing and clean energy.

Second, protect workers, not billionaires. The economy should serve the people who keep the country running, not the corporations that exploit them. We need decent, reliable, unionised jobs and investment in communities.

Finally, we must make polluters pay. Those who have profited from destroying our climate must pay for the damage they’ve caused — not the working class, not the global South, not future generations.

More than 80 organisations are backing the mobilisation, representing millions of workers, citizens and communities across Britain. From climate and environmental groups to trade unions, social justice campaigns, migrant justice networks and faith communities, the breadth of support shows the hunger for real change.

The rally at Whitehall will feature an inspiring line-up of speakers including Green Party leader Zack Polanski; economist, campaigner and director of Tax Justice UK Faiza Shaheen; director of Friends of the Earth Asad Rehman; youth climate activist Dominique Palmer; former trader turned inequality campaigner Gary Stevenson; Rev Helen Burnett from Christian Climate Action; racial justice organiser Penny Wangari-Jones and more. Together they will set out a vision for justice, resistance and hope.

The fight against inequality and climate breakdown cannot be separated. The same billionaires and corporations driving climate chaos are the ones profiting from austerity, privatisation and low pay. Linking our struggles under the banner of Make Them Pay is how we build a movement big enough, broad enough and determined enough to win.

This is about hope as much as anger. Hope that by standing together we can force change. Hope that the crises tearing through our lives are not inevitable, but the result of political choices. Choices we can resist, reverse and replace with something better.

So on September 20, join us. Bring your friends, your families, your trade union branches, your campaign groups. Bring your creativity, your banners, your voices. Together, we’ll march to say: enough is enough.

It’s time to tax the super-rich. It’s time to protect workers, not billionaires. It’s time to make polluters pay.

Assemble 12 noon, Portland Place by the BBC building up to Regent’s Park. At 1pm, march to Whitehall for a rally from 2.30-4pm. For more information visit www.makethempay.org.uk.