Ontario generates millions of tonnes of food and organic waste a year, and a majority of it ends up in the landfill. That could create a big problem if a ban on organic waste in landfills goes into effect three years from now.

In many communities, residents are asked to separate food waste into bins for municipal composting. Here's a closer look at what actually gets composted and how, what happens to the rest, and where it all ends up.

Some people say strategies to reduce the impacts of climate change may lie in machine learning and artificial intelligence. AI has a few advantages: It can work faster than a human being, can forecast further into the future, has a low error rate and it has 24/7 availability.