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Hello and welcome to Business Daily on the BBC World Service with me, Will Bain.

Today, as world leaders are gathered for the COP 30 Climate Summit in Brazil,

we'll be zooming in on how to tackle emissions at the heart of global trade.

Shipping ranks as a top 10 contributor to greenhouse gas emissions, yet recent global goals

to cap them fail to be agreed.

We were hoping to have some clarity.

To have the whole conversation talked to be doed is deeply disappointing.

Concerns remain, though, about what those environmental targets might cost us.

The increased cost in shipping goods, it would likely be passed to the end consumer

and cost of buying products in a store that have been shipped around the world.

So, is there a way forward?

You have to believe that there is a path.

If you don't think that there is a path, then it's time to stop and do something else.

On Business Daily today, then, we're going to be looking at why it seems so hard for the global shipping industry to get greener.

The headquarters of the International Maritime Organization on the south bank of London's River Thames

are hard to miss. The rusted copper-coloured bow of a ship protrudes from the front of the office

building jutting out towards the river as if ready to set sail. A memorial sculpture to seafarers

around the world, in October it greeted delegates from more than 100 countries

heading into the building, many of them they thought, to make history. Because the leaders were

gathered to ratify a deal 10 years in the making, which had been struck back in the spring,

and would, if agreed, by them, see shipping become the first industry in the world with internationally

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