What is the main source of fuel for heating and cooling for more than a quarter of the worlds people?

Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?

How does the study of genetic disorders such as pku biologists understand normal alleles?

Which of the following is not a potential result of deforestation?