Question

air pollution
global agreements
several laws have evolved to address air pollution issues,
including human health and holistic planetary concerns.
their combined efforts, alongside increasing awareness
and advancing technologies, play a vital role in reducing
air pollution and fostering a cleaner environment.
in 1979, the geneva convention became the first global
agreement to tackle air pollution. recognizing that air
pollution is a shared problem, this global commitment
involves participation from countries worldwide.
in 1987, the montreal protocol signed by numerous
countries, aimed to curtail the use of chemicals causing
ozone layer depletion.
in 1997, the kyoto protocol expanded the focus to address
climate change and greenhouse gases, fostering global
cooperation. while many nations signed this protocol, the
united states did not.
in 2015, the paris agreement presented a global action plan
to combat climate change and limit global warming,
seeking to keep global warming below two degrees
celsius.
what does the kyoto protocol
focus on?
ocean and marine pollution
thermal pollution in urban areas
noise pollution in rural areas
climate change and greenhouse gases

Explanation:

The text clearly states that in 1997, the Kyoto Protocol expanded the focus to address climate change and greenhouse gases.

Answer:

climate change and greenhouse gases