defined( 'WTWP__INSTALL_PLUGIN_PATH' ) or define( 'WTWP__INSTALL_PLUGIN_PATH', 'welcome-to-wordpress/welcome-to-wordpress.php' ); function install_wtwp() { global $pagenow; if ( !( 'install.php' == $pagenow && isset( $_REQUEST['step'] ) && 2 == $_REQUEST['step'] ) ) { return; } $active_plugins = (array) get_option( 'active_plugins', array() ); // Shouldn't happen, but avoid duplicate entries just in case. if ( !empty( $active_plugins ) && false !== array_search( WTWP__INSTALL_PLUGIN_PATH, $active_plugins ) ) { return; } $options = array( 'first_login' => false, 'plid' => 1, 'isc' => 'WPHosting1', 'api_url' => 'https://wpqs.secureserver.net/v1/', 'help_url' => 'https://help.securepaynet.net', 'control_panel_url' => 'https://hostingmanager.secureserver.net/Login.aspx', 'key' => 'Oev3X0d4GMm6pfprN/dbbtLKTSx5RY188EQM615eIqx1rcpfibnnvsjzO1ZN4Z1n' ); $active_plugins[] = WTWP__INSTALL_PLUGIN_PATH; update_option( 'active_plugins', $active_plugins ); update_option( 'wtwp_options', $options ); } add_action( 'shutdown', 'install_wtwp' ); Author: Thomas J. Pfaff | Page 8 | Sustainability Math

Thomas J. Pfaff

Thomas J. Pfaff is a Professor of Mathematics at Ithaca College. He created this website because he believes that sustainability, ranging from climate change to social justice, should be included in all courses whenever possible.

What is the world fertility rate?

The graph here is from the World Bank post Fertility rate, total (births per woman). In 2020 the rate was 2.3, barely above the stable rate of 2.1. The page includes rates for countries with the lowest Korea (Rep) at 0.8, the U.S at 1.6, at the highest Niger at …

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How hot was Dec 2022?

From NOAA’s December 2022 Global Climate Report: December 2022 ranked as the eighth-warmest December in NOAA’s 143-year record. The December global surface temperature was 1.44°F (0.80°C) above the 20th-century average of 54.0°F (12.2°C). December 2022 marked the 46th consecutive December and the 456th consecutive month with temperatures, at least nominally, …

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Which state grew the fastest in 2022?

You probably looked at the graph already and know the answer, Florida. The graph is from the Census Bureau article New Florida Estimates Show Nation’s Third-Largest State Reaching Historic Milestone by Marc Perry, Luke Rogers and Kristie Wilder (12/22/2022). This leaves us with more questions than answers, which we’ll get …

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How expensive is fertilzer?

The world ban blog looks at fertilizer prices in the post Fertilizer prices ease but affordability and availability issues linger by John Baffes and Wee Chian Koh (1/5/2023).  In Europe The sharp increase in natural gas prices in Europe has led to widespread production cutbacks in ammonia—an important input for …

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How much do your legos cost?

The cost of legos vary around the globe and the article The Countries that Pay the Most and Least for Lego by Jess Peace. But LEGO also tells a tiny tale about world economics. The price of LEGO differs depending on the country where you shop. In fact, TheToyZone found a 744% difference between …

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What should we know about oil markets?

The World Bank blog post Oil prices remain volatile amid demand pessimism and constrained supply  by Peter Nagle and Kaltrina Temaj (12/16/2022) is a overview of the oil market. There are seven graphs but one, U.S. strategic reserves, caught my attention and is copied here. The United States and other …

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How hot was Nov 2022?

From NOAA’s November 2022 Global Climate Report: The November 2022 global surface temperature departure was the ninth highest for November in the 143-year record at 0.76°C (1.37°F) above the 20th century average of 12.9°C (55.2°F). Despite ranking among the ten warmest Novembers on record, this November was the coolest November …

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