Geography of Brazil clearing. Public policies intended to promote sustainable management of timber extraction, as well as sustainable use of nontimber forest products (such as rubber, Brazil nuts, fruits, seeds, oils, and vines), were being discussed intensely in the mid-1990s. However, implementing the principles of sustainable development, without irreversible damage to the environment, proved to be more challenging than establishing international agreements about them. Although 90% of the country is within the tropical zone, the climate of Brazil varies considerably from the mostly tropical North (the equator traverses the mouth of the Amazon) to temperate zones below the Tropic of Capricorn (23°27' S
What Is History? belief in a hard core of historical facts existing objectively and independently of the interpretation of the historian is a preposterous fallacy, but one which it is very hard to eradicate. Carr maintained that there is such a vast quantity of information in the modern era that the historian always chooses the "facts" he or she decides to make use of. In Carr's famous example, he claimed that millions had crossed the Rubicon, but only Julius Caesar's crossing in 49 BC is declared noteworthy by historians. Carr divided facts into two categories: "facts of the past", that is historical information