The Persian word Abr means "the cloud" and Abr Forest area is the name of a beautiful forest on northern Iran whose sky is full of clouds. The place is one of the most popular natural attractions for leisure time and holidays for tourists interested in getting closer to the nature.
British companies spent more on marketing in the opening quarter of 2019 despite uncertainty around Brexit, but their budgets for the rest of the year could be the most subdued since after the financial crisis, a survey showed.
In 1885, two years after a massive eruption of the Indonesian volcano Krakatoa, scientists added a new type of cloud to the cloud atlas. All of the ash and water vapor spewed into the atmosphere created mesmerizing sunsets and other effects around the world, including the new noctilucent clouds — extremely high, wispy clouds that are only visible in far northern latitudes.
As the climate warms, the atmosphere is capable of holding more moisture. The burning of fossil fuels also triggers the accumulation of water vapor into Earth's atmosphere, which, like CO₂, is a greenhouse gas.
The reaction of clouds to a warming atmosphere has been one of the major sources of uncertainty in estimating exactly how much the world will heat up from the accumulation of greenhouse gases, as some changes would enhance warming, while others would counteract it.