Goodday, Dr. Pitussi:

May I recommend the following article dealing with Leptospira serovars:

"Jara, M., Escobar, L. E., Rodriges, R. O., Frias‐De‐Diego, A., Sanhueza, J., & Machado, G. (2019). Spatial distribution and spread potential of sixteen Leptospira serovars in a subtropical region of Brazil. Transboundary and Emerging Diseases, 66(6), 2482–2495. https://doi.org/10.1111/tbed.13306"

It is focused only on Leptospira, but many of the environmental pressures and determinants could apply to other zoonotic disease and it could be of value to you as you develop your ideas and research around this topic.

This article may be relevant to this question.

https://www.researchgate.net/publication/371179513_A_One_Health_look_into_the_emergence_of_zoonotic_viruses_at_the_human-animal-_environment_interface

The recommended articles are interesting and can answer the questions. Climate change is among the driving reasons for the emerging and spread of zoonotic disease. For instance, a devastating climate change may enforce people and other animals to change their lifestyle in general and their feeding system in particular. If there is an extreme drought, people may shift their food system from plant products to animal products which the major vehicle for zoonotic disease spread. Moreover, Climate change can pose a kind of genetic and epigenetic mutations.

Answer to question number1: There are some technologies used for early disease detection and control. e.g.: Digital Disease Surveillance Tools such as ProMED and HealthMap, which collect and analyse data from various sources to complement field surveillance during outbreaks. Smartphones and Wearables are also amongst.

For more details: Climate Change and Zoonoses: A Review of Concepts, Definitions, and Bibliometrics - PMC (nih.gov)