Answer: Donald J. Trump may not favor city investment in renewable energy sources for public buildings. During his presidency, he often emphasized fossil fuels and criticized renewable energy sources, particularly wind power. He might suggest that while renewable energy has a place, it should not be pursued to the detriment of the fossil fuel industry, which he sees as crucial for jobs and energy independence.

Percentage of Importance: Given Trump's emphasis on job creation and economic growth, he might not assign a high importance to this issue, perhaps putting it around 30%, given his previous policy preferences and statements.

Answer: Donald Trump may not explicitly support the expansion of public parks and green spaces within the city. During his presidency, he often prioritized economic development and deregulation, which sometimes conflicted with environmental conservation efforts. However, he might not be opposed to the expansion of public parks and green spaces if it could be shown to benefit local communities and economies without creating excessive regulatory burdens.

Percentage of Importance: Given Trump's emphasis on economic development and deregulation, he might assign a moderate importance to this issue, perhaps around 40%.