... greenhouse gas emissions. The following sections provide a brief explanation
of the key terms and political initiatives. The key terms ...

... a product of the increase in greenhouse gas emissions. The following provides
a brief explanation of the key terms and initiatives. Key terms ...

... a product of the increase in greenhouse gas emissions. The following provides
a brief explanation of the key terms and initiatives. Key terms ...

... a product of the increase in greenhouse gas emissions. The following provides
a brief explanation of the key terms and initiatives. Key terms ...