Plastics are all over the world. Its increasing production and use threaten to contaminate the entire planet, especially the seas, which are the final destination of many of them. Once there, they are a serious harm to aquatic ecosystems and the species inhabiting there.
Climate change is probably the most dangerous phenomenon of our time and we are not prepared for the devastating consequences we'll live if we do not reduce the greenhouse gas emissions or the use of fossil fuels. It's a global problem that has environmental, political, economic and social impact.
The extinction of some form of biodiversity is a huge loss and it's normally related to global warming, pollution or human activities, among others. That's one more reason why it's so important that we protect our environment.