Renewable energy tops the list of changes the governments can implement to prevent the impact of global warming., To lower global greenhouse gas emissions developed countries could share advanced renewable energy technologies with developing countries., Renewable energy is energy created from sources that can be replenished in a short period of time., Carbon footprint is the amount of carbon people release into the air., Sustainable farming could prevent soil depletion and erosion., The final controlling authority as to environment is the government., Global warming is hardly reversible problem., In terms of carbon footprint train virtually always comes out better than plane., Diesel and petrol cars are in many cases better options than flying..

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