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  2. Celebrate Planet Earth - Wikipedia

    en.wikipedia.org/wiki/Celebrate_Planet_Earth

    Since Earth's Birthday Project's founding in 1989, it is estimated that more than 15 million school children have participated in butterfly and sunflower activities, as well as rainforest and river conservation. In the late 1980s, as the twentieth anniversary of Earth Day approached, Cliff Ross was teaching middle school in New York City.

  3. Plasma cell leukemia - Wikipedia

    en.wikipedia.org/wiki/Plasma_cell_leukemia

    Plasma cell leukemia (PCL) is a plasma cell dyscrasia, i.e. a disease involving the malignant degeneration of a subtype of white blood cells called plasma cells.It is the terminal stage and most aggressive form of these dyscrasias, constituting 2% to 4% of all cases of plasma cell malignancies.

  4. Earth Day - Wikipedia

    en.wikipedia.org/wiki/Earth_Day

    Earth Day is an annual event on April 22 to demonstrate support for environmental protection.First held on April 22, 1970, it now includes a wide range of events coordinated globally by EARTHDAY.ORG (formerly Earth Day Network) [1] including 1 billion people in more than 193 countries.

  5. Earth Days - Wikipedia

    en.wikipedia.org/wiki/Earth_Days

    Earth Days is a 2009 documentary film about the history of the environmental movement in the United States, directed by Robert Stone and distributed by Zeitgeist Films in theaters. Earth Days premiered at the 2009 Wisconsin Film Festival , and released to theatres on August 14, 2009.

  6. International Mother Earth Day - Wikipedia

    en.wikipedia.org/wiki/International_Mother_Earth_Day

    International Mother Earth Day was established in 2009, by the United Nations General Assembly under Resolution A/RES/63/278. The Resolution was introduced by Bolivia and endorsed by over 50 member states. [1] It recognizes that "the Earth and its ecosystems are our home" and that "it is necessary to promote harmony with nature and the Earth."

  7. Point Cloud Library - Wikipedia

    en.wikipedia.org/wiki/Point_Cloud_Library

    The Point Cloud Library (PCL) is an open-source library of algorithms for point cloud processing tasks and 3D geometry processing, such as occur in three-dimensional computer vision. The library contains algorithms for filtering, feature estimation, surface reconstruction, 3D registration , [ 5 ] model fitting , object recognition , and ...