Why we need to know more about individual carbon footprints

Most countries, including Switzerland, record their greenhouse gas emissions by source and sector. In absolute terms, Swiss greenhouse gases make up less than 1% of global emissions. With an average of 12 metric tons of CO2 ...

Microbes could help reduce the need for chemical fertilizers

Production of chemical fertilizers accounts for about 1.5% of the world's greenhouse gas emissions. MIT chemists hope to help reduce that carbon footprint by replacing some chemical fertilizer with a more sustainable source—bacteria.

Pig welfare outweighs climate concerns for consumers, study finds

Pork production is a societal concern on several fronts: antibiotics use, infectious disease, poor animal welfare and climate and environmental pressures. Even though the beef, coffee and chocolate industries are each major ...

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