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Carbon cycle: a natural cycle disrupted by human activity
Absorption of carbon by terrestrial and aquatic ecosystems
Nitrous oxide: a natural cycle disrupted by human activity
Other greenhouse gases: the ozone and halogenated compounds
Big cities and greenhouse gases: present and future
Greenhouse gases and future climate
Carbon cycle: a natural cycle disrupted by human activity
Absorption of carbon by terrestrial and aquatic ecosystems
Nitrous oxide: a natural cycle disrupted by human activity
Other greenhouse gases: the ozone and halogenated compounds
Big cities and greenhouse gases: present and future
Greenhouse gases and future climate