[vanderZwan]

You can coat it - sunglasses are, for example. The coating can be invisible to the naked eye too, I think.

This is one of those situations where I think government intervention is needed. I bet the long-term benefits of coating glass like this are very real - both for society and individually (especially in professions that involve a lot of driving time). However, the short-term economic incentives work against it - there is probably a strong first-move disadvantage. Also, what is the economic benefit to a landlord to have UV-proofed glass for their tenants?

But if government were to implement a policy of requiring glass in cars and buildings to be coated like that? That levels the playing field. I doubt it is going to happen any time soon though.

But of we were ever going to to do that, I know for a fact that are also coatings with reflective layers (invisible to us) that tell birds that the glass is there, which would also save a lot of wildlife.

[Waterluvian]

I think you're inverting what parent is saying. Glass by nature seems to block UVB.

[vanderZwan]

Ah, right. I somehow thought GP suggested near the end that it seems to be hard to fabricate glass that blocks UVA, and answered the question of how to deal with that.

[georgyo]

How does coating it prevent the glass itself absorbing UVB?

[vanderZwan]

As Waterluvian pointed out, I misread GP and explained how we could make glass block UVA as well.

[losvedir]

Ah, yes the classic "government intervention to attack a misunderstood problem with a solution that won't work".

[vanderZwan]

Ah yes, the classic "I just assert that governments can only intervene with wrong solutions, without in any way engaging with the topic at hand and actually arguing why it is a wrong solution."

[kortilla]

Well it’s a wrong solution since glass already filters it. Seems a bit premature to salivate over regulation for something that isn’t a problem.

[vanderZwan]

Did you read the other comments? I misread GP and the coating I talked about is for UVA radiation.