decisions about how we go about tackling this crisis. tackling this crisis. can you give us detail about tackling this crisis. can you give us detail about what tackling this crisis. can you give us detail about what needs - tackling this crisis. can you give us detail about what needs to i tackling this crisis. can you give | us detail about what needs to be done? ~ .,. ., us detail about what needs to be done? ~ ., ., ., , us detail about what needs to be done? ., ., ., , done? most of our greenhouse gas emissions comes done? most of our greenhouse gas emissions comes from done? most of our greenhouse gas emissions comes from fossil - done? most of our greenhouse gas emissions comes from fossil fuel. emissions comes from fossil fuel burning and deforestation and other actions. if we are to achieve net zero emissions, that means cutting a reliance on fossil fuels and finding other ways of producing energy to power our homes and our businesses and everything else that goes on.