Ms Rose argued that the feeding of the birds was upsetting the balance of nature in the Chilterns.

BBC: Red kite

Removing all character-specific areas is an option, and only including areas that give boosts to certain character-types, but even this could risk upsetting the balance.

FORBES: Connect

Upsetting the competitive balance hurts the rest of us.

FORBES: Where to Cut the Federal Budget? Start by Killing Corporate Welfare

That is, right up until the Chinese reported an upsetting balance of trade number and the U.S. trade deficit spiked yesterday.

FORBES: Tsunami of Selling Expected on Friday?

Many Slavs fear that a lot of the 200, 000 refugees already in Macedonia are bound to stay, upsetting the already delicate demographic balance.

ECONOMIST: Macedonia and its Kosovars