Blackle

Blackle is a search engine, which is a tool you can use to look for things on the internet. The special thing about Blackle is that it has a black background instead of the usual white one that you see on other search engines.

This black background might seem like a small thing, but it actually helps to save energy because it uses less power to display black pixels on your computer or phone screen than white ones. This can be good for the environment because it may help reduce the amount of electricity that we use.

So, when you use Blackle to search for things on the internet, you're not just finding information, you're also helping to save energy and be kinder to the planet.