London has made real progress in reducing new HIV diagnosis.

And that's because we know what works.

Be sure, know the four ways to prevent HIV.

One, test regularly and know your status.

Two, condoms can prevent HIV and other sexually transmitted infections.

Three, prep is a pill which can prevent HIV.

Four, undetectable.

Also known as U equals U.

Means people living with HIV on treatment cannot pass it on.

Be sure, know the four.

Visit doitlandon.org.

Culture, personal subjects with the facts can be tense.

But we are a sub-science here to make things make sense.

Today we're talking about carbon capture.

We're going to be explaining what it is.

Companies that essentially want to take carbon out of the air with technology.

But is it possible?

Is it legitimate?

We're going to get into the science behind it.

It's very controversial.

Yeah, it's juicy.

All my information was controversial.

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