Possible Clues:

• Fresh greens with meat pie oddly unavailable in conservation area
• Ground, i.e. Regent's Park, given national status
• Tiger seen abroad where lion holds sway?
• Tanzanian national park
• Green site turning plain
• Plain girl's first in cool sex tips
• African plain almost peaceful -- get idealistic at first
• Green site revitalised in African National Park
• Tranquil, mainly secure island location in Africa
• Vast wildlife reserve might be the greenest one around.