Improve the community and have more respect of others beliefs.
Answer:
The Zimmermann Telegram, or Note, was significant to the history of World War I because it forced United States President Woodrow Wilson to reverse his initial position on American involvement in the European conflict and commit the United States to the war against Germany.
The primary problem is the greenhouse effect. Greenhouse effect is when some gases (including CO2) absorbs some portion of sun's heat to make the atmosphere warm to support life. But when the amount of CO2 etc. increases in the atmosphere, it heats up more than it is required. So, by limiting CO2 emission, we can solve this problem.
