Hannah Ritchie
Researcher at Our World in Data focused on environmental and public health data.
“How the growth of AI affects emissions depends not just on its energy efficiency and demand, but also on how clean the grids are that supply it.”
Source→“releasing paperback edition of *Clearing the Air* in September 2025”
Source→“**Hannah Ritchie** - **Description:** Researcher and author at Our World in Data - **Why mentioned:** Author of this Data Insight piece - **Quote:** Byline: *"By Hannah Ritchie"*”
“Byline reads 'By Hannah Ritchie'”
“My colleagues Hannah Ritchie and Tuna Acisu recently wrote about what countries with high stunting today can learn from Japan.”
Source→“Byline: "By Hannah Ritchie"”
“Almost no one has 'heat' or 'cold' written on their death certificate, but researchers estimate that sub-optimal temperatures lead to several million premature deaths every year — deaths attributed instead to cardiovascular disease, kidney disease, respiratory infections, and diabetes.”
“Total tobacco use in India dropped from ~50% of adults in 2000 to 24% in 2022, while smoking specifically fell from 19% to 10% — both roughly halved over two decades.”
“Our colleagues Sophia Mersmann and Fiona Spooner built a new interactive visualization. Hannah Ritchie wrote an article that uses the visualization to walk you through the data.”
“In poorer countries, infectious diseases are even more prominent. In rich countries, they are far rarer, and non-communicable diseases and injuries account for a larger share.”
“The chart shows death rates from lung, trachea, and bronchus cancers among men in a selection of high-income countries. Each shows a very clear rise and fall over the late 20th century.”
“By Hannah Ritchie”
“Read our article on why addressing this problem — increasing basic waste management — is key to tackling plastic pollution.”
“Article byline — "By Hannah Ritchie"”
“Hannah Ritchie — Researcher/author at Our World in Data. Bylined author of this data dispatch.”
“South Korea…population is projected to more than halve by 2100, from 52 million today to just 22 million.”
“Before World War II, Japan focused on tackling infectious diseases…Stunting declined at a moderate pace. After the war, they tackled both disease and diet…This multifaceted approach made progress nearly three times faster.”
“Global sales of combustion engine cars are well past their peak and are now falling... global sales peaked in 2017.”
“By Hannah Ritchie”
“By Hannah Ritchie”
“By Hannah Ritchie”
AI-extracted from podcast / newsletter / paper summaries. May contain errors.