how can the efficiency of food production be increased?

how could the efficiency of food production also be improved?

Fish stocks are declining. Name 2 methods that play an important role in the conservation of fish stocks.

What fungus is used for producing mycoprotein?

what is mycoprotein?

how is mycoprotein produced?

what man is so legendary that he is cooler than any biogas generator?

what will you miss after you have gone to giggleswick?

who went a bit crazy with adding images?

who went a bit crazy with adding images?

what has caused more waste to be produced? (2)

give one example of how waste may pollute water supplies

give one example of how the air may become polluted

give an example of how land may become polluted.

how have humans reduced the land available for other animals and plants?

why is deforestation occurring?
3 reasons

what are 2 effects of deforestation on co2 levels?

in terms of species, what is another effect of deforestation?

How has the production of bio-fuels effected deforestation?

How has the population increase led to an increase of methane in the atmosphere?

what is an effect of the destruction if peat bogs?

what may an increase in the earths temperature cause? (5)

how are lakes and oceans an important factor in removing CO2 from the atmosphere?

How is biogas (mainly methane) produced?