The Infocard Wrote:An uninhabitable tomb of ash and glass, Planet Leeds was once a vast Bretonian ecumenopolis of manufacturing plants, smelters, and residential blocks tightly sealed against the toxic smog. As the most resource rich world within Bretonian's borders, Leeds was exploited, polluted, and eventually reached an unsustainable population of over 15 billion during the 726 years it was held by the Bretonian Crown. This placed Leeds in the spotlight of the Green Front's campaign, and contributed at least in part to the militancy of the Gaian movement. The planet's population slowly dwindled to roughly 6 billion from the time Gallia made landfall on Leeds in 821 AS until the end of the war in 826.
Following a series of key military defeats which made it clear their war against Liberty and Bretonia would be lost, House Gallia authorized the Glassing of Leeds, culminating in the greatest loss of life in human history, with 5 billion people dead. The order to glass Leeds fractured Gallia both politically and militarily. Entire systems seceeded from the Gallic Crown, and over a third of the ships in the planet killing fleet attempted mutiny, with most destroyed in the process. Despite this, Gallia's scorched earth doctrine succeeded before the Allies were able to breach the system. The complete loss of Bretonian industry on Leeds has been attributed to the Royal Enclave's survival in the trio of sytems Royalist Gallia retreated to following end of the war.
Although colloquially referred to as the Glassing of Leeds, the destruction of the planet was a three stage process designed to both maximimize damage to infrastructure, and render the planet entirely unreclaimable. Stages one and two of this process were carried out in tandem, with surface level glassing as well as deep beam strikes against fault lines to induce planet wide tectonic and volcanic activity. Stage three saw the melting of the planet's polar ice caps, releasing gigatons of methane and carbon into the atmosphere to induce a runaway greenhouse effect. As a final contingency, Gallic Royal Intelligence forces detonated several cobalt bombs at key points chosen to maximize fallout, salting the earth with deadly radioactive particles for hundreds of years to come.
Today, Planet Leeds is a hellscape of endless radioactive firestorms raging over the obsidian of vitrified cities. Quakes and volcanic eruptions are still frequent, and vast chasms of magma sit agape between tectonic faults. Fierce eletrical storms ravage the planet, and water vapor released from the melting of the polar ice mixes with clouds of soot, showering the planet in rainstorms of ashen mud. The light of the Leeds star fails to permeate the dense veil of volcanic ash, leaving the world in perpetual darkness until the ash falls. Though the planet is cooling while under volcanic clouds, as those clear, Planetform expects the temperatures to climb due to greenhouse effects, and the average temperature is projected to rise by at least 25 degrees Celsius over the next 50 years. Planetform scientists have written off Leeds as a lost cause, and damage to the planet is irreparable with current techologies in Sirius.