Canadians were bombarded with news in the final months of 2020, from the U.S. presidential election to skyrocketing COVID-19 case numbers and the first vaccine shipments.

In between each of these historic events, steps were also taken to address the other crisis of our lifetime: climate change .

As Canada begins a year that the United Nations has said is pivotal to addressing the climate crisis, government officials and voters at home and abroad are working to reduce greenhouse gas emissions and stop global warming.

Here are three files that demonstrate where change is possible in 2021.

Blue vs. green hydrogen

The federal government is betting on hydrogen as a fuel of the future a low carbon alternative to oil and gas that could one day heat our homes, power electric vehicles, buses and transport trucks, and make industrial processes cleaner, such as steel manufacturing and mining.